Korea Kumho Petrochemical Co., Ltd.

Republic of Korea

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Date
2025 September 1
2025 (YTD) 13
2024 20
2023 20
2022 10
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IPC Class
C08K 3/04 - Carbon 18
B01J 37/08 - Heat treatment 14
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition 13
C08L 9/06 - Copolymers with styrene 13
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties 12
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NICE Class
39 - Transport, packaging, storage and travel services 5
12 - Land, air and water vehicles; parts of land vehicles 4
01 - Chemical and biological materials for industrial, scientific and agricultural use 1
09 - Scientific and electric apparatus and instruments 1
11 - Environmental control apparatus 1
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Status
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1.

KUMHO TIRE

      
Serial Number 99371507
Status Pending
Filing Date 2025-09-03
Owner
  • Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
  • Kumho Engineering & Construction Co., Ltd. (Republic of Korea)
NICE Classes  ? 12 - Land, air and water vehicles; parts of land vehicles

Goods & Services

Tires; Automobile tires; Tubular tires; Inner tubes for automobile tires

2.

CATALYST FOR MANUFACTURING CARBON NANOTUBES AND METHOD OF MANUFACTURING CARBON NANOTUBES

      
Application Number 18700019
Status Pending
Filing Date 2022-03-02
First Publication Date 2025-07-31
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeong, Chung Heon
  • Ryu, Sang Hyo
  • Kim, Hyun Tae
  • Lee, Wan Sung
  • Jeong, Myung Hoon
  • Jung, Woo Ram

Abstract

One embodiment of the present disclosure provides a method of preparing a catalyst for manufacturing carbon nanotubes, which includes: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) thermally decomposing the precursor solution by spraying the precursor solution into a reactor; and (c) obtaining a catalyst, wherein the catalyst includes a metal component represented by the following Chemical Formula 1: One embodiment of the present disclosure provides a method of preparing a catalyst for manufacturing carbon nanotubes, which includes: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) thermally decomposing the precursor solution by spraying the precursor solution into a reactor; and (c) obtaining a catalyst, wherein the catalyst includes a metal component represented by the following Chemical Formula 1: Cox:[M1,Zr]y: M2z  [Chemical Formula 1] wherein Co represents cobalt or oxides or derivatives thereof, M1 represents at least one metal, or oxides or derivatives thereof, selected from Al, Ca, Si, Ti, and Mg, Zr represents zirconium, or oxides or derivatives thereof, M2 represents at least one metal, or oxides or derivatives thereof, selected from W, V, Mn, and Mo, x/y satisfies 0.2≤x/y≤2.6, and x/z satisfies 6≤x/z≤13.

IPC Classes  ?

  • B01J 23/847 - Vanadium, niobium or tantalum
  • B01J 37/04 - Mixing
  • B01J 37/08 - Heat treatment
  • C01B 32/162 - Preparation characterised by catalysts
  • C30B 25/00 - Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour deposition growth

3.

SOLID ELECTROLYTE MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING THE SAME

      
Application Number 18949533
Status Pending
Filing Date 2024-11-15
First Publication Date 2025-05-22
Owner
  • Samsung SDI Co., Ltd. (Republic of Korea)
  • Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Mokwon
  • Kang, Dongil
  • Ku, Junhwan
  • Kim, Jaeyun
  • Ryu, Wonyeong
  • Park, June
  • Lee, Yonggun
  • Lee, Hanbaek
  • Choi, Bona
  • Hwang, Seungsik

Abstract

A solid electrolyte membrane includes a solid electrolyte, a high-molecular-weight polymer binder having a weight average molecular weight of about greater than 75,000 gram/mole (g/mol) but less than or equal to 1,000,000 g/mol, and a low-molecular-weight non-polar liquid rubber (non-polar elastomer), wherein the low-molecular-weight non-polar liquid rubber has a weight average molecular weight of about 2,000 g/mol to about 75,000 g/mol, and a viscosity of about 1 centipoises (cps) to about 100,000 cps. An all-solid-state secondary battery includes the solid electrolyte membrane.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/66 - Selection of materials
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/431 - Inorganic material
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes

4.

METHOD OF PREPARING WET MASTER BATCH ELASTOMER COMPOSITION FOR MAKING RUBBER WITH EXCELLENT PROCESSABILITY AND ABRASION RESISTANCE

      
Application Number 18925748
Status Pending
Filing Date 2024-10-24
First Publication Date 2025-05-01
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Seung Hyun
  • Ko, Jae Young
  • Cho, Kyeongjun
  • Kim, Eunjoo

Abstract

Disclosed is a method of preparing a wet master batch elastomer composition, including: a first step of inputting silica particles and an organic silane coupling agent into a SSBR polymer solution; a second step of stirring the SSBR polymer solution containing the silica particles and the organic silane coupling agent to pulverize the silica particles while surface-modifying the silica particles with the organic silane coupling agent; a third step of removing a solvent from the SSBR polymer solution containing the surface-modified and pulverized silica particles, followed by drying and solidification to obtain a silica-SSBR composite; and a fourth step of compounding the silica-SSBR composite with one or more additives selected from the group consisting of silica particles, an organic silane coupling agent, a softener, a crosslinking activator, an antioxidant, a vulcanization accelerator, and a vulcanizing agent, wherein the wet master batch elastomer composition includes 8 to 20 parts by weight of the organic silane coupling agent based on 100 parts by weight of the SSBR polymer solution.

IPC Classes  ?

  • C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
  • C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
  • C08K 3/36 - Silica

5.

BINDER FOR SOLID ELECTROLYTE FILM FORMATION

      
Application Number 18917731
Status Pending
Filing Date 2024-10-16
First Publication Date 2025-04-17
Owner
  • KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
  • SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
  • Choi, Bo Na
  • Park, June
  • Ryu, Won Yeong
  • Hwang, Seung Sik
  • Kim, Mok Won
  • Lee, Yong Gun

Abstract

Disclosed is a binder for forming a solid electrolyte film, comprising a first copolymer that includes structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer; and a second copolymer including a structural unit derived from at least one of a polar monomer and a non-polar monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/052 - Li-accumulators
  • H01M 10/0562 - Solid materials

6.

BINDER FOR SOLID ELECTROLYTE FILM FORMATION

      
Application Number 18917814
Status Pending
Filing Date 2024-10-16
First Publication Date 2025-04-17
Owner
  • KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
  • SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
  • Choi, Bo Na
  • Park, June
  • Ryu, Won Yeong
  • Hwang, Seung Sik
  • Kim, Mok Won
  • Lee, Yong Gun

Abstract

Disclosed are a binder for forming a solid electrolyte film, which includes a copolymer including structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/052 - Li-accumulators
  • H01M 10/0562 - Solid materials

7.

METHOD FOR MANUFACTURING MALEIMIDE-BASED QUATERNARY COPOLYMER AND MALEIMIDE-BASED QUATERNARY COPOLYMER MANUFACTURING THEREFROM

      
Application Number KR2024015246
Publication Number 2025/079950
Status In Force
Filing Date 2024-10-08
Publication Date 2025-04-17
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Yang, Sunkyu
  • Lee, Jin-Hee
  • Lee, Na Rae
  • Kim, Hyung Jin
  • Kang, Sang Hun

Abstract

An embodiment of the present specification provides a method for manufacturing a maleimide-based quaternary copolymer, the method comprising the steps of: (a) preparing a suspension comprising a monomer mixture and an initiator, the monomer mixture containing an N−substituted maleimide-based monomer, a styrene-based monomer, an α-alkylstyrene-based monomer, and a vinyl cyanide-based monomer; and (b) polymerizing the suspension, wherein the initiator includes an azo-based initiator and two or more types of hydroperoxide-based initiators, and step (b) comprises the steps of: (b1) polymerizing the suspension at a first temperature; and (b2) polymerizing the product of step (b1) at a second temperature, the second temperature being higher than the first temperature.

IPC Classes  ?

8.

RESIN COMPOSITION COMPRISING HALOGEN-FREE COMPOSITE FLAME RETARDANT AND MOLDED ARTICLE MANUFACTURED BY MOLDING SAME

      
Application Number KR2024014977
Publication Number 2025/075394
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-10
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, You Seok
  • Kim, Gi Jung
  • Song, Yu Hyun

Abstract

One embodiment of the present specification provides: a flame retardant resin composition comprising a composite flame retardant and a styrene-based resin, wherein the composite flame retardant is composited by adsorbing a phosphorus-based flame retardant on the surface of expanded graphite, and the expanded graphite has a foaming initiation temperature of 180 °C or higher; and a flame retardant resin molded article manufactured by molding said flame retardant resin composition.

IPC Classes  ?

9.

ADDITIVE COMPOSITION FOR MODIFIED ASPHALT AND MODIFIED ASPHALT COMPOSITION COMPRISING SAME

      
Application Number KR2024014939
Publication Number 2025/075380
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-10
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Seung-Il
  • Jung, Yeong Min
  • Seo, Ho Bin
  • Kim, Seohyun

Abstract

nn-X , where A is a block composed of an aromatic vinyl monomer, B is a block composed of a conjugated diene monomer, C is a first coupling agent, X is a second coupling agent, n is an integer of 2 to 4, and the second coupling agent is a non-aromatic compound having two or more epoxy groups.

IPC Classes  ?

  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch
  • C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
  • C04B 26/26 - Bituminous materials, e.g. tar, pitch

10.

SOLID ELECTROLYTE MEMBRANE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number KR2024010332
Publication Number 2025/070972
Status In Force
Filing Date 2024-07-18
Publication Date 2025-04-03
Owner
  • KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
Inventor
  • Park, June
  • Choi, Bona
  • Ryu, Wonyeong
  • Kim, Yunkyoung
  • Kim, Youngbok
  • Kim, Donghyeon
  • Lee, Jieun
  • Kim, Yeeun

Abstract

Disclosed are a solid electrolyte membrane and an all-solid-state battery comprising same, the solid electrolyte membrane comprising: a solid electrolyte; and a block copolymer comprising a unit structure derived from an aromatic vinyl monomer and a unit structure derived from a conjugated diene-based monomer.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • H01M 10/052 - Li-accumulators

11.

COMPOSITION FOR FORMING ANODE OF LITHIUM SECONDARY BATTERY

      
Application Number 18510957
Status Pending
Filing Date 2023-11-16
First Publication Date 2025-02-20
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Hyun Jeong
  • Lee, Byung Yong
  • Ryu, Won Yeong
  • Park, June
  • Choi, Bo Na

Abstract

disclosureDisclosed are, inter alia, a composition for forming an anode of a lithium secondary battery including an anode active material, a conductive material, and a binder. Particularly, the binder contains a triblock copolymer which has a soft block derived from an aliphatic or alicyclic diene-based monomer and forming a rubbery phase at a room temperature; and a first hard block and a second hard block connected to both ends of the soft block, respectively, derived from an aromatic ring-containing ethylenically unsaturated monomer, and forming a glassy phase at a room temperature, and wherein the binder includes particles with an average diameter (D50) of 1 μm or more and 50 μm or less.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08K 3/04 - Carbon
  • H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 10/052 - Li-accumulators

12.

HEATING COMPOSITE RESIN COMPOSITION USING CARBON-BASED CONDUCTIVE FILLER, AND PLASTIC MOLDED PRODUCT USING SAME

      
Application Number KR2024008058
Publication Number 2025/033671
Status In Force
Filing Date 2024-06-12
Publication Date 2025-02-13
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choi, Sung Kyu
  • Song, Yu Hyun
  • Lee, Joo Han

Abstract

Provided in one embodiment of the present specification are a heating composite resin composition and a plastic molded product manufactured by injection-molding same, the composition comprising a polyamide resin and a conductive filler, wherein the conductive filler comprises carbon nanotubes, carbon black, and carbon fiber, the weight ratio of the carbon fiber to the carbon nanotubes is 10-40, and the weight ratio of the carbon fiber to the carbon black is 0.8-2.0.

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08K 7/06 - Elements
  • C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers

13.

PREPARING METHOD OF POLYMER POWDER FOR BINDER AND BINDER COMPOSITION

      
Application Number 18769567
Status Pending
Filing Date 2024-07-11
First Publication Date 2025-01-16
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, June
  • Choi, Bona
  • Ryu, Wonyeong

Abstract

A method of preparing polymer powder which is able to serve as a binder for a particulate material through dry mixing, and a binder composition including the polymer powder are disclosed.

IPC Classes  ?

  • C08J 3/12 - Powdering or granulating
  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • C08J 3/07 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from polymer solutions

14.

HEATING COMPOSITE RESIN COMPOSITION USING CARBON-BASED CONDUCTIVE FILLER AND PLASTIC MOLDED ARTICLE USING SAME

      
Application Number KR2024008057
Publication Number 2024/258178
Status In Force
Filing Date 2024-06-12
Publication Date 2024-12-19
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choi, Sung Kyu
  • Song, Yu Hyun
  • Kang, Min Sung

Abstract

An embodiment of the present specification provides: a heating composite resin composition and a plastic molded article manufactured by injection molding of the composition, the composition comprising an olefin-based resin and a conductive filler, the conductive filler comprising carbon nanotubes, carbon black, and carbon fibers, wherein the weight ratio of the carbon fibers to the carbon nanotubes is 10-40, and the weight ratio of the carbon fibers to the carbon black is 0.8-2.0.

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08K 7/06 - Elements
  • C08L 23/14 - Copolymers of propene
  • C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material

15.

CATALYST FOR MANUFACTURING CARBON NANOTUBES AND CARBON NANOTUBE AGGREGATE MANUFACTURED USING THE SAME

      
Application Number 18700556
Status Pending
Filing Date 2022-03-02
First Publication Date 2024-12-12
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeong, Chung Heon
  • Ryu, Sang Hyo
  • Kim, Hyun Tae
  • Lee, Wan Sung
  • Jeong, Myung Hoon
  • Jung, Woo Ram

Abstract

One embodiment of the present disclosure provides a catalyst for manufacturing carbon nanotubes, including a metal component represented by the following Chemical Formula 1: One embodiment of the present disclosure provides a catalyst for manufacturing carbon nanotubes, including a metal component represented by the following Chemical Formula 1: Cox:[M1,Zr]y:M2z  [Chemical Formula 1] wherein Co represents cobalt or oxides or derivatives thereof, M1 represents at least one metal, or oxides or derivatives thereof, selected from Al, Ca, Si, Ti, and Mg, Zr represents zirconium, or oxides or derivatives thereof, M2 represents at least one metal, or oxides or derivatives thereof, selected from W, V, Mn, and Mo, x/y satisfies 0.2≤x/y≤2.6, and x/z satisfies 6≤x/z≤13.

IPC Classes  ?

  • B01J 23/847 - Vanadium, niobium or tantalum
  • C01B 32/162 - Preparation characterised by catalysts
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

16.

COMPOSITION FOR LATEX POLYMERIZATION, LATEX FOR DIP MOLDING, AND DIP MOLDED ARTICLE MANUFACTURED THEREFROM

      
Application Number 18691812
Status Pending
Filing Date 2022-09-06
First Publication Date 2024-11-21
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Jong Jin
  • Ahn, Duseong
  • Yang, Kun-Ho

Abstract

Disclosed are a composition for latex polymerization including: a conjugated diene-based monomer; an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, and an ionic compound and having an ionic conductivity of 275 μs/cm or more, a latex for dip molding polymerized therefrom, and a dip molded article using the same.

IPC Classes  ?

  • C08L 9/04 - Latex
  • B29C 41/14 - Dipping a core
  • B29L 31/00 - Other particular articles
  • B29L 31/48 - Wearing apparel
  • C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof

17.

HIGHLY DURABLE COMPOSITION FOR LATEX POLYMERIZATION, DIP MOLDING LATEX, AND DIP-MOLDED ARTICLE PREPARED THEREFROM

      
Application Number KR2024002265
Publication Number 2024/191072
Status In Force
Filing Date 2024-02-21
Publication Date 2024-09-19
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Jong Jin
  • Yang, Kun Ho

Abstract

One embodiment of the present specification provides a composition for latex polymerization, comprising a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, an ionic organic compound, and an ionic inorganic compound, wherein the weight ratio of the ionic inorganic compound to the ionic organic compound is 4.7 or more.

IPC Classes  ?

  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 2/22 - Emulsion polymerisation
  • C08J 5/02 - Direct processing of dispersions, e.g. latex, to articles

18.

METHOD FOR PREPARING ALIPHATIC NITRILE-BASED COMPOUND

      
Application Number KR2024001905
Publication Number 2024/186011
Status In Force
Filing Date 2024-02-08
Publication Date 2024-09-12
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Keeyoon
  • Cho, Namhyun
  • Kim, Heesu
  • Jang, Sanghun
  • Choi, Junghei

Abstract

Disclosed is a method for preparing an aliphatic nitrile-based compound by subjecting an aliphatic compound having two or more carboxyl groups to a direct substitution reaction with a nitrile-based compound.

IPC Classes  ?

  • C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
  • C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton
  • C07C 255/02 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
  • C07C 255/19 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton

19.

STABILIZER, POLYMER POLYOL PREPARED USING STABILIZER AND METHOD FOR PREPARING POLYMER POLYOL

      
Application Number 18015591
Status Pending
Filing Date 2022-04-08
First Publication Date 2024-07-18
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Jinwoo
  • Kim, Gi Jung
  • Kim, Seulgi
  • Kim, Dong Ho
  • Choi, Yejin

Abstract

Disclosed is a polymer polyol stabilizer, prepared by reacting: a polyol having a hydroxyl value of 5 to 100 mgKOH/g and containing ethylene oxide in an amount of 50 wt % or more; and a reactive unsaturated compound having one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds, a polymer polyol polymerized by comprising the polymer polyol stabilizer, and a method for preparing the polymer polyol.

IPC Classes  ?

20.

PREPARING METHOD OF CATALYST FOR PREPARING LOW-DIAMETER CARBON NANOTUBE AND PREPARING METHOD OF CARBON NANOTUBE USING SAME

      
Application Number 18382175
Status Pending
Filing Date 2023-10-20
First Publication Date 2024-07-11
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeong, Myung Hoon
  • Kim, Hyun Tae
  • Ryu, Sang Hyo
  • Jeong, Chung Heon
  • Lee, Wan Sung
  • Jung, Woo Ram
  • Kang, Chang Gu

Abstract

An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.

IPC Classes  ?

21.

METHOD OF PREPARING PHTHALONITRILE-BASED COMPOUND

      
Application Number 18285999
Status Pending
Filing Date 2021-07-21
First Publication Date 2024-06-20
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Kim, Dong Eon

Abstract

One embodiment provides a method of preparing a phthalonitrile-based compound, including: (a) preparing a mixture including a phthalic acid-based compound and a nitrile-based compound; and (b) reacting the mixture, wherein step (b) is performed under supercritical conditions of the nitrile-based compound.

IPC Classes  ?

  • C07C 253/16 - Preparation of carboxylic acid nitriles by reaction of cyanides with lactones or compounds containing hydroxy groups or etherified or esterified hydroxy groups
  • C07C 253/34 - SeparationPurification

22.

LATEX COMPOSITION FOR DIP-FORMING, METHOD FOR PREPARING THE SAME, AND DIP-FORMED ARTICLE FORMED BY THE SAME

      
Application Number 18526222
Status Pending
Filing Date 2023-12-01
First Publication Date 2024-06-20
Owner KOREA KUMHO PETROCHEMICAL CO, LTD. (Republic of Korea)
Inventor
  • Choung, Sung Hun
  • Lee, Ha Jung
  • Han, Jeong Weon

Abstract

One embodiment of the present specification provides a method for preparing a latex composition for dip-forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, a farnesene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; (b) adding an additive including an emulsifier and an inorganic solvent to the monomer mixture; and (c) polymerizing the monomer mixture to prepare a copolymer latex, wherein a weight ratio of the farnesene monomer to a total weight of the conjugated diene-based monomer and the farnesene monomer is 5 to 55%.

IPC Classes  ?

23.

POLYFUNCTIONALIZED HIGH-CIS 1,4-POLYBUTADIENE AND METHOD FOR MANUFACTURING THE SAME

      
Application Number 18517575
Status Pending
Filing Date 2023-11-22
First Publication Date 2024-06-13
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Lee, Han Baek
  • Kim, Hoo-Chae
  • Kim, Jae Yun
  • Do, Seung Hyun
  • Jang, Beom Su

Abstract

Provided is a rubber mixture, which includes a unit structure derived from a first conjugated diene-based monomer and is functionalized with at least one of the compounds represented by Formulas 1 to 6; and a second low molecular weight rubber polymer, which includes a unit structure derived from a second conjugated diene-based monomer and is functionalized with at least one of the compounds represented by Formulas 1 to 6.

IPC Classes  ?

  • C08F 136/06 - Butadiene
  • C08C 19/20 - Incorporating sulfur atoms into the molecule
  • C08C 19/22 - Incorporating nitrogen atoms into the molecule
  • C08C 19/25 - Incorporating silicon atoms into the molecule
  • C08F 4/54 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides together with other compounds thereof
  • C08L 9/06 - Copolymers with styrene
  • C08L 91/00 - Compositions of oils, fats or waxesCompositions of derivatives thereof

24.

PREPARING METHOD FOR LOW-DIAMETER CARBON NANOTUBE AND CARBON NANOTUBE PREPARED BY THE METHOD

      
Application Number 18491393
Status Pending
Filing Date 2023-10-20
First Publication Date 2024-06-06
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Lee, Wan Sung
  • Kim, Hyun Tae
  • Ryu, Sang Hyo
  • Jeong, Chung Heon
  • Jeong, Myung Hoon

Abstract

An embodiment of the present specification provides a method for preparing a carbon nanotube, comprising: (a) introducing a catalyst into a chemical vapor deposition reactor; and (b) injecting a carbon source gas to synthesize a carbon nanotube, wherein an input of the catalyst and a flow rate of the carbon source gas satisfy the following Formula 1: An embodiment of the present specification provides a method for preparing a carbon nanotube, comprising: (a) introducing a catalyst into a chemical vapor deposition reactor; and (b) injecting a carbon source gas to synthesize a carbon nanotube, wherein an input of the catalyst and a flow rate of the carbon source gas satisfy the following Formula 1: 0.1 L/g·min≤a/b≤1.1 L/g·min  [Formula 1] wherein a represents a flow rate (L/min) of the carbon source gas and b represents an input (g) of the catalyst.

IPC Classes  ?

25.

SOLID ELECTROLYTE MEMBRANE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number KR2023016152
Publication Number 2024/106765
Status In Force
Filing Date 2023-10-18
Publication Date 2024-05-23
Owner
  • LG ENERGY SOLUTION, LTD. (Republic of Korea)
  • KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Yun Kyoung
  • Park, June
  • Ryu, Wonyeong
  • Choi, Bona
  • Lee, Jieun
  • Kim, Yeeun
  • Kim, Youngbok
  • Kim, Donghyeon

Abstract

The present invention relates to a solid electrolyte membrane for an all-solid-state battery, and an all-solid-state battery comprising same, the solid electrolyte membrane comprising: a binder containing 22-34% by weight of styrene with respect to the total weight of a styrene-butadiene-styrene copolymer; and a solid electrolyte.

IPC Classes  ?

26.

BINDER COMPOSITION FOR ALL SOLID STATE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, SLURRY COMPOSITION AND ALL SOLID STATE SECONDARY BATTERY COMPRISING THE SAME

      
Application Number 18384469
Status Pending
Filing Date 2023-10-27
First Publication Date 2024-05-09
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jeong Geun
  • Suh, Jae Kon
  • Song, In Oh
  • Choi, Young Gil

Abstract

Disclosed are a binder composition for an all-solid-state secondary battery, including a copolymer including a conjugated diene-based monomer, an aromatic vinyl-based monomer, and an ethylenically unsaturated acid monomer, a trithiocarbonate-based compound, a mercaptan-based compound, and a solvent, wherein a weight average molecular weight (Mw) of the copolymer is 50,000 to 200,000, and a molecular weight distribution (Mw/Mn) is 1 to 5, a method of preparing the same, a slurry composition for a cathode or a solid electrolyte including the same, and a secondary battery manufactured therefrom.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers

27.

BINDER FOR ANODE OF SECONDARY BATTERY, ANODE MIXTURE FOR SECONDARY BATTERY, ANODE AND SECONDARY BATTERY INCLUDING THE SAME

      
Application Number 18495993
Status Pending
Filing Date 2023-10-27
First Publication Date 2024-05-02
Owner KOREA KUMHO PETROCHEMICAL CO., LTD (Republic of Korea)
Inventor
  • Kim, Jeong Geun
  • Choi, Young Gil
  • Lee, Yong Jun

Abstract

Disclosed are a binder for a secondary battery anode including styrene-butadiene-based rubber with a core-shell structure and nitrile-butadiene-based rubber with a gel content of 15% or more, wherein a weight ratio of the styrene-butadiene-based rubber and the nitrile-butadiene-based rubber is 65:35 to 99:1, an anode mixture for a secondary battery, and an anode and a secondary battery including the same.

IPC Classes  ?

  • C08L 9/06 - Copolymers with styrene
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08L 9/02 - Copolymers with acrylonitrile
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

28.

METHOD FOR PREPARING WET MASTER BATCH ELASTOMER COMPOSITION

      
Application Number 18095828
Status Pending
Filing Date 2023-01-11
First Publication Date 2024-04-18
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ko, Jae Young
  • Kim, Eunjoo
  • Kim, Seung Hyun
  • Cho, Kyeongjun

Abstract

Disclosed is a method for preparing a wet master batch elastomer composition, comprising a first step of feeding silica particles and an organic silane coupling agent into an SSBR polymer solution; and a second step of grinding the silica particles, while stirring the SSBR polymer solution into which the silica particles and the organic silane coupling agent are fed, wherein a ratio of an average particle size of the ground silica particles to an average particle size of the silica particles is less than or equal to 0.8, and wherein the wet master batch elastomer composition has a bound rubber content of 30 to 80 wt. %.

IPC Classes  ?

  • C08K 5/548 - Silicon-containing compounds containing sulfur
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08K 3/36 - Silica

29.

SILOXANE COMPOUND, PREPARATION METHOD THEREOF, AND USE THEREOF

      
Application Number 18461521
Status Pending
Filing Date 2023-09-06
First Publication Date 2024-03-28
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Joe, Daejune
  • Kwon, Min Sung
  • Lee, Dae Hyung
  • Sung, Gihyun
  • Yoon, Hyeong Ho
  • Kwag, Gwanghoon
  • An, Jae Yeon

Abstract

One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below: One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below: One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below: In Chemical Formula 1, R1a and R1b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R2a and R2b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R3a and R3b are each independently a substituted or unsubstituted straight or branched-chain alkylene group having 1 to 16 carbon atoms, R4a, R4b, R5a, and R5b are each independently hydrogen, a substituted or unsubstituted straight or branched alkyl group having 1 to 16 carbon atoms, or a substituted or unsubstituted straight or branched-chain heteroalkyl group having 1 to 16 carbon atoms, m1 and m2 are each an integer from 0 to 2, and when m1 and m2 are each 0, a plurality of OR2a and OR2b are the same or different, and when m1 and m2 are each 2, a plurality of R1a and R1b are the same or different, and x is an integer from 1 to 5.

IPC Classes  ?

30.

Preparation process of 5-ethylidene-2-norbornene

      
Application Number 18324487
Grant Number 12297159
Status In Force
Filing Date 2023-05-26
First Publication Date 2024-03-07
Grant Date 2025-05-13
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Lee, Young Rok
  • Kim, Jae Woo
  • Row, Kyoung Ho
  • An, Ick Jin
  • Park, Jin Woo
  • Kim, Yu Mi

Abstract

A preparation process of 5-ethylidene-2-norbornene, including: introducing dicyclopentadiene into a dicyclopentadiene decomposition reactor to thermally decompose the dicyclopentadiene; introducing a product of the above step into a cyclopentadiene purification tower; introducing 1,3-butadiene, a solvent, and cyclopentadiene separated from the top of the cyclopentadiene purification tower into a Diels-Alder reactor to react the same; introducing a product of the immediate above step into a 1,3-butadiene removal tower to recover 1,3-butadiene from the top; introducing a mixture at the bottom of the 1,3-butadiene removal tower into a desolvation tower, and recycling a solvent and unreacted raw materials recovered from the top of the desolvation tower to the dicyclopentadiene decomposition reactor; introducing a mixture at the bottom of the desolvation tower into a 5-vinyl-2-norbornene separation tower to separate 5-vinyl-2-norbornene; and introducing the 5-vinyl-2-norbornene into an isomerization reactor to react the same.

IPC Classes  ?

31.

Resin Composition for Shielding Electromagnetic Waves and Cable Using the Same

      
Application Number 18154991
Status Pending
Filing Date 2023-01-16
First Publication Date 2024-03-07
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • Kyungshin Cable (Republic of Korea)
  • Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Choi, Seung-Woo
  • Seo, Dong-Bum
  • Oh, Kyun
  • Song, Yu-Hyun
  • Kwon, Yang-Jin
  • Lee, Joo-Han

Abstract

An embodiment resin composition for shielding electromagnetic waves, based on a total weight of the resin composition, includes 20 to 80 wt % of thermoplastic resin, 1 to 50 wt % of a conductive filler, and 0.1 to 30 wt % of an additive. The conductive filler includes carbon fiber, carbon nanotube, carbon black, or combinations thereof

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08K 3/08 - Metals
  • C08K 3/22 - OxidesHydroxides of metals
  • C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
  • H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon

32.

DISPERSION STABILIZER BASED ON AT LEAST TWO TYPES OF POLYOLS AND METHOD OF PREPARING THE SAME

      
Application Number 18331593
Status Pending
Filing Date 2023-06-08
First Publication Date 2024-02-01
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Jinwoo
  • Kim, Gi Jung
  • Kim, Seulgi
  • Song, Jae Yeong

Abstract

Provided are a polymer polyol dispersion stabilizer, which is prepared by reacting a first polyol having a hydroxyl value (OHV) of 5 to 50 mgKOH/g and an ethylene oxide content of less than 20 wt %, a second polyol having an OHV of 50 to 100 mgKOH/g and an ethylene oxide content of 20 wt % or more, and a reactive unsaturated compound having one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds, and a method of preparing the same.

IPC Classes  ?

  • C08F 212/10 - Styrene with nitriles
  • C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent

33.

DISPERSION STABILIZER BASED ON AT LEAST TWO TYPES OF POLYOLS AND PREPARATION METHOD THEREFOR

      
Application Number KR2023004021
Publication Number 2024/025066
Status In Force
Filing Date 2023-03-27
Publication Date 2024-02-01
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Jin Woo
  • Kim, Gi Jung
  • Kim, Seul Gi
  • Song, Jae Yeong

Abstract

Disclosed are a dispersion stabilizer of a polymer polyol and a preparation method therefor, the dispersion stabilizer being prepared by a reaction of: a first polyol having a hydroxyl value of 5-50 mgKOH/g and an ethylene oxide content of less than 20 wt%; a second polyol having a hydroxyl value of 50-100 mgKOH/g and an ethylene oxide content of 20 wt% or more; and a reactive unsaturated compound having at least one carbon-carbon double bond and at least two carbon-oxygen double bonds.

IPC Classes  ?

34.

POLYMER POLYOL AND PREPARATION METHOD THEREFOR

      
Application Number KR2022014808
Publication Number 2023/243773
Status In Force
Filing Date 2022-09-30
Publication Date 2023-12-21
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Seulgi
  • Kim, Gi Jung
  • Park, Jinwoo

Abstract

Disclosed are a preparation method for a polymer polyol and a polymer polyol prepared thereby, the method comprising the steps of: (a) reacting a first mixture containing an initiator, a polyol, a diluent, a stabilizer, a styrene-based monomer, and a nitrile-based monomer; and (b) continuously adding, to the first mixture, a second mixture containing an initiator, a polyol, a stabilizer, a styrene-based monomer, and a nitrile-based monomer, followed by reaction, wherein each of the stabilizers of the first mixture and the second mixture is contained at a weight ratio of 1:1-3.

IPC Classes  ?

  • C08F 212/12 - Hydrocarbons containing a branched unsaturated aliphatic radical or an alkyl radical attached to the ring
  • C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
  • C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds

35.

Polymer polyol and process for producing the same

      
Application Number 18049780
Grant Number 11976151
Status In Force
Filing Date 2022-10-26
First Publication Date 2023-12-14
Grant Date 2024-05-07
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Seulgi
  • Kim, Gi Jung
  • Park, Jinwoo

Abstract

Disclosed is a process for producing a polymer polyol, comprising: (a) reacting a first mixture comprising an initiator, a polyol, a diluent, a stabilizer, a styrene-based monomer and a nitrile-based monomer; and (b) continuously adding, to the first mixture, a second mixture comprising an initiator, a polyol, a stabilizer, a styrene-based monomer and a nitrile-based monomer to react, wherein the first mixture and second mixture comprise the stabilizer in a weight ratio of 1:1 to 3, respectively, and a polymer polyol produced according to the process.

IPC Classes  ?

  • C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals

36.

METHOD FOR PREPARING POLYMER POLYOL

      
Application Number 18033227
Status Pending
Filing Date 2021-10-20
First Publication Date 2023-12-07
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Gi Jung
  • Kim, Seulgi
  • Park, Jinwoo

Abstract

Disclosed is a method for preparing polymer polyol comprising the steps of: (a) polymerizing polyol and aromatic vinyl monomer in the presence of an organic diluting agent; (b) additionally inputting and polymerizing polyol, aromatic vinyl monomer and unsaturated nitrile monomer in the product of step (a); and (c) removing the organic diluting agent from the product of step (b), wherein the organic diluting agent is compatible with the polymer of the aromatic vinyl monomer.

IPC Classes  ?

  • C08F 212/10 - Styrene with nitriles
  • C08F 8/00 - Chemical modification by after-treatment
  • C08F 6/10 - Removal of volatile materials, e.g. monomers, solvents

37.

LATEX COMPOSITION FOR DIP MOLDING, PREPARATION METHOD THEREFOR AND DIP-MOLDED PRODUCT PRODUCED THEREFROM

      
Application Number KR2022018128
Publication Number 2023/234491
Status In Force
Filing Date 2022-11-16
Publication Date 2023-12-07
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kang, Eunsoo
  • Lee, Ha Jung
  • Choung, Sung Hun

Abstract

Provided in one embodiment of the present invention is a latex composition for dip molding, and a dip-molded product produced therefrom, the composition comprising: a copolymer latex obtained by polymerizing a monomer mixture comprising a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; and a polyester polyol.

IPC Classes  ?

  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08G 63/12 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
  • C08L 9/04 - Latex
  • C08J 5/02 - Direct processing of dispersions, e.g. latex, to articles
  • B29C 41/14 - Dipping a core
  • A41D 19/00 - Gloves

38.

LATEX COMPOSITION FOR DIP-FORMING, METHOD FOR PREPARING THEREOF AND DIP-FORMED ARTICLE PREPARED THEREFROM

      
Application Number 18080486
Status Pending
Filing Date 2022-12-13
First Publication Date 2023-11-30
Owner KOREA KUMHO PETROCHEMICAL CO., LTD (Republic of Korea)
Inventor
  • Kang, Eunsoo
  • Lee, Ha Jung
  • Choung, Sung Hun

Abstract

An embodiment of the present specification provides a latex composition for dip-forming, comprising a copolymer latex obtained by polymerizing a monomer mixture of a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; and a polyester polyol, and a dip-formed article prepared therefrom.

IPC Classes  ?

39.

BINDER COMPOSITION FOR ALL-SOLID-STATE BATTERY, SLURRY COMPOSITION COMPRISING THE SAME AND ALL-SOLID-STATE BATTERY

      
Application Number 18155383
Status Pending
Filing Date 2023-01-17
First Publication Date 2023-07-20
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Lee, Han Baek
  • Kim, Hoo-Chae
  • Park, June
  • Do, Seung Hyun
  • Choi, Bona

Abstract

Disclosed is a binder composition for an all-solid-state battery including a conjugated diene-based rubber polymer and a solvent, wherein a content of a cis bond in the conjugated diene-based rubber polymer is 90% by weight or more.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

40.

SYSTEM OF PREPARING A PHTHALONITRILE-BASED COMPOUND AND METHOD OF PREPARING PHTHALONITRILE-BASED COMPOUND USING THE SAME

      
Application Number 17912378
Status Pending
Filing Date 2021-10-18
First Publication Date 2023-06-29
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun

Abstract

The present disclosure relates a system of preparing a phthalonitrile-based compound using a continuous process, the preparation system including: a first reaction unit filled with a mixture including a phthalic acid-based compound and a nitrile-based compound; a second reaction unit connected to the first reaction unit; and a discharge unit connected to the second reaction unit, and in the second reaction unit, there is a fluid flow from the first reaction unit direction to the discharge unit direction, wherein the length of the second reaction unit in the fluid flow direction is 10 fold or more the mean square root of the cross-sectional area perpendicular to the fluid flow direction; and a method of preparing a phthalonitrile-based compound using the same.

IPC Classes  ?

  • C07C 253/02 - Preparation of carboxylic acid nitriles by reaction of nitrogen oxide with organic compounds
  • B01J 19/24 - Stationary reactors without moving elements inside
  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus

41.

Copolymer, method of preparing the same, and rubber composition including the same

      
Application Number 17857768
Grant Number 11820847
Status In Force
Filing Date 2022-07-05
First Publication Date 2023-06-22
Grant Date 2023-11-21
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Tae Hee
  • Ko, Jae Young

Abstract

An embodiment of the present specification provides a method of preparing a copolymer, which includes steps of: (a) adding a polymerization initiator to a monomer mixture including an aromatic vinyl-based monomer, a first conjugated diene-based monomer, and a farnesene monomer to initiate a reaction; and (b) adding a second conjugated diene-based monomer.

IPC Classes  ?

  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • C08F 236/22 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having three or more carbon-to-carbon double bonds
  • C08F 8/42 - Introducing metal atoms or metal-containing groups

42.

METHOD OF PREPARING A THIOMETHYLPHENOL DERIVATIVE

      
Application Number 17911886
Status Pending
Filing Date 2021-10-18
First Publication Date 2023-04-27
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Sang Hun
  • Choi, Jung Hei

Abstract

A method of preparing a thiomethylphenol derivative is disclosed, the method including: (a) carrying out a primary reaction of a phenol derivative represented by the following Chemical Formula 2, a mercaptan derivative represented by R4SH, and paraformaldehyde at a reaction temperature T1 under conditions in which a heterocyclic base having 3 to 10 carbon atoms and an acid are simultaneously present; and (b) carrying out a secondary reaction at a reaction temperature T2 to prepare a thiomethylphenol derivative represented by the following Chemical Formula 1, wherein T1

IPC Classes  ?

  • C07C 323/16 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
  • C07C 315/02 - Preparation of sulfonesPreparation of sulfoxides by formation of sulfone or sulfoxide groups by oxidation of sulfides, or by formation of sulfone groups by oxidation of sulfoxides

43.

CATALYST FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBE AGGREGATE PRODUCED USING SAME

      
Application Number KR2022002894
Publication Number 2023/063505
Status In Force
Filing Date 2022-03-02
Publication Date 2023-04-20
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeong, Chung Heon
  • Ryu, Sang Hyo
  • Kim, Hyun Tae
  • Lee, Wan Sung
  • Jeong, Myung Hoon
  • Jung, Woo Ram

Abstract

xyzz wherein Co stands for cobalt or an oxide or derivative thereof, M1 is at least one metal selected from among Al, Ca, Si, Ti, and Mg, or an oxide or derivative thereof, Zr stands for zirconium or an oxide or derivative thereof, M2 is at least one metal selected from among W, V, Mn, and Mo, or an oxide or derivative thereof, 0.2≤x/y≤2.6, and 6≤x/z≤13.

IPC Classes  ?

  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 23/75 - Cobalt
  • B01J 37/08 - Heat treatment
  • C01B 32/162 - Preparation characterised by catalysts
  • H01M 10/04 - Construction or manufacture in general

44.

CATALYST FOR PRODUCING CARBON NANOTUBE AND METHOD FOR PRODUCING CARBON NANOTUBE

      
Application Number KR2022002895
Publication Number 2023/063506
Status In Force
Filing Date 2022-03-02
Publication Date 2023-04-20
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeong, Chung Heon
  • Ryu, Sang Hyo
  • Kim, Hyun Tae
  • Lee, Wan Sung
  • Jeong, Myung Hoon
  • Jung, Woo Ram

Abstract

xyzz wherein Co stands for cobalt or an oxide or derivative thereof, M1 is at least one metal selected from among Al, Ca, Si, Ti, and Mg, or an oxide or derivative thereof, Zr stands for zirconium or an oxide or derivative thereof, M2 is at least one metal selected from among W, V, Mn, and Mo, or an oxide or derivative thereof, 0.2≤x/y≤2.6, and 6≤x/z≤13.

IPC Classes  ?

  • B01J 37/08 - Heat treatment
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • B01J 37/04 - Mixing
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 23/75 - Cobalt
  • C01B 32/162 - Preparation characterised by catalysts
  • C23C 16/442 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using fluidised bed processes

45.

Rubber composition for tire tread and manufacturing method thereof

      
Application Number 17942649
Grant Number 12448501
Status In Force
Filing Date 2022-09-12
First Publication Date 2023-03-30
Grant Date 2025-10-21
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jae-Yun
  • Kang, Dong Eun
  • Park, Junhoo

Abstract

2, Z, E and n are as defined in the specification, and a method of manufacturing the same.

IPC Classes  ?

  • C08L 9/06 - Copolymers with styrene
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

46.

Method for preparing phthalonitrile-based compound

      
Application Number 17940576
Grant Number 12415778
Status In Force
Filing Date 2022-09-08
First Publication Date 2023-03-30
Grant Date 2025-09-16
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Kim, Hee Su

Abstract

An embodiment of the present invention provides a method for preparing a phthalonitrile-based compound, comprising: (a) feeding a mixture comprising a phthalic acid-based compound and a nitrile-based compound into a first reaction part to react; (b) transferring a resulting product of step (a) to a second reaction part connected to the first reaction part to react under the condition of 350 to 400° C.; and (c) obtaining a phthalonitrile-based compound at a discharge part connected to the second reaction part, wherein the second reaction part has a length in a fluid flow direction which is 10 times or more of a square root of an average cross-sectional area perpendicular to the fluid flow direction.

IPC Classes  ?

  • C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
  • C07C 253/34 - SeparationPurification

47.

COMPOSITION FOR LATEX POLYMERIZATION, LATEX FOR DIP MOLDING, AND DIP MOLDED PRODUCTS MANUFACTURED THEREFROM

      
Application Number KR2022013397
Publication Number 2023/043115
Status In Force
Filing Date 2022-09-06
Publication Date 2023-03-23
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Jong Jin
  • Ahn, Duseong
  • Yang, Kun-Ho

Abstract

Disclosed are: a composition for latex polymerization; latex for dip molding, polymerized therefrom; and dip molded products using same, wherein the composition comprises a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, an ethylenically unsaturated acid monomer, and an ionic compound, and has the ionic conductivity of 275 μs/cm or more.

IPC Classes  ?

  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 2/22 - Emulsion polymerisation
  • C08J 5/02 - Direct processing of dispersions, e.g. latex, to articles

48.

METHOD FOR PREPARING HYDROGENATED BISPHENOL A

      
Application Number KR2022007088
Publication Number 2023/042993
Status In Force
Filing Date 2022-05-18
Publication Date 2023-03-23
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Jung Hee
  • Park, Je-Young
  • Cho, Nam Hyun

Abstract

An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A comprising the steps of:(a) heating a reactor into which bisphenol A, a solvent, and a ruthenium-supported catalyst are added; (b) causing a reaction while supplying hydrogen into the reactor; and (c) causing a reaction after blocking the hydrogen supply.

IPC Classes  ?

  • C07C 37/82 - SeparationPurificationStabilisationUse of additives by physical treatment by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by physical treatment by chemisorption
  • C07C 39/16 - Bis(hydroxy phenyl)alkanesTris(hydroxy phenyl)alkanes

49.

METHOD FOR PREPARING PHTHALONITRILE-BASED COMPOUND

      
Application Number KR2022013398
Publication Number 2023/038411
Status In Force
Filing Date 2022-09-06
Publication Date 2023-03-16
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Kim, Hee Su

Abstract

An embodiment of the present invention provides a method for preparing a phthalonitrile-based compound, the method comprising the steps of: (a) adding a mixture including a phthalic acid-based compound and a nitrile-based compound into a first reaction unit to cause a reaction; (b) transferring the product obtained in step (a) to a second reaction unit connected to the first reaction unit to cause a reaction under a condition of 350-400 °C; and (c) obtaining a phthalonitrile-based compound from a discharge unit connected to the second reaction unit, wherein the length of the second reaction unit in the direction of fluid flow is 10 times or more of the square root of the average cross-sectional area perpendicular to the direction of fluid flow.

IPC Classes  ?

  • C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
  • C07C 255/51 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton

50.

Method for preparing hydrogenated bisphenol A

      
Application Number 17944676
Grant Number 11834395
Status In Force
Filing Date 2022-09-14
First Publication Date 2023-03-16
Grant Date 2023-12-05
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Jung Hee
  • Park, Je Young
  • Cho, Nam Hyun

Abstract

An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A, comprising: (a) heating a reactor in which bisphenol A, a solvent, and a ruthenium supported catalyst are added; (b) supplying hydrogen into the reactor to react; and (c) blocking the supply of hydrogen to react.

IPC Classes  ?

  • C07C 29/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds in six-membered aromatic rings in non-condensed rings substituted with hydroxy groups

51.

STABILIZER, POLYMER POLYOL PREPARED USING SAME, AND PREPARATION METHOD THEREFOR

      
Application Number KR2022005124
Publication Number 2023/033290
Status In Force
Filing Date 2022-04-08
Publication Date 2023-03-09
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Jinwoo
  • Kim, Gi Jung
  • Kim, Seulgi
  • Kim, Dong Ho
  • Choi, Yejin

Abstract

Disclosed herein are a polymer polyol stabilizer, a polymer polyol polymerized containing same, and a preparation method therefor, wherein the polymer polyol stabilizer is prepared through a reaction between: a polyol ranging in hydroxyl value from 5 to 100 mg KOH/g, with an ethylene oxide content of 50wt% or greater; and a reactive unsaturated compound bearing one or more carbon-carbon double bonds and two or more carbon-oxygen double bonds.

IPC Classes  ?

52.

Method for preparing biodegradable latex composition for dip forming

      
Application Number 17851915
Grant Number 11987704
Status In Force
Filing Date 2022-06-28
First Publication Date 2023-02-23
Grant Date 2024-05-21
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kang, Eunsoo
  • Han, Jeong Weon
  • Choung, Sung Hun

Abstract

Provided is a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing starch, an emulsifier and an inorganic solvent into the monomer mixture; and (c) preparing a copolymer latex by introducing a polymerization initiator, wherein the copolymer includes the starch in a main chain thereof.

IPC Classes  ?

  • C08L 9/04 - Latex
  • A41D 19/00 - Gloves
  • C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
  • C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof
  • C08L 3/02 - StarchDegradation products thereof, e.g. dextrin

53.

METHOD FOR PREPARING PHTHALONITRILE-BASED COMPOUND

      
Application Number KR2021009452
Publication Number 2023/003058
Status In Force
Filing Date 2021-07-21
Publication Date 2023-01-26
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Kim, Dong Eon

Abstract

Provided in one embodiment is a method for preparing a phthalonitrile-based compound, comprising the steps of: (a) preparing a mixture comprising a phthalic acid-based compound and a nitrile-based compound; and (b) reacting the mixture, wherein step (b) is performed under supercritical conditions of the nitrile-based compound.

IPC Classes  ?

  • C07C 253/02 - Preparation of carboxylic acid nitriles by reaction of nitrogen oxide with organic compounds
  • C07C 255/51 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton

54.

MOLDED CATALYST, PRODUCTION METHOD FOR SAME, AND METHOD FOR PRODUCING CYCLIC KETONE USING SAME

      
Application Number 17778644
Status Pending
Filing Date 2021-04-08
First Publication Date 2022-12-15
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Ji Won
  • Row, Kyoungho
  • Park, Jin Woo

Abstract

A catalyst molded body, a production method thereof and a method for preparing cyclic ketone using the same, including: (a) producing a mixed powder including a catalyst powder and a binder; (b) producing a slurry by mixing an aqueous alkali hydroxide solution with the mixed powder; and obtaining a catalyst molded body by molding and heat-treating the slurry.

IPC Classes  ?

  • B01J 35/02 - Solids
  • B01J 21/04 - Alumina
  • B01J 21/10 - MagnesiumOxides or hydroxides thereof
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • B01J 37/08 - Heat treatment
  • C07C 49/603 - Unsaturated compounds containing a keto group being part of a ring of a six-membered ring, e.g. quinone methides

55.

Method for preparing latex composition for dip-forming

      
Application Number 17827001
Grant Number 11970617
Status In Force
Filing Date 2022-05-27
First Publication Date 2022-12-01
Grant Date 2024-04-30
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choung, Sung Hun
  • Han, Jeong Weon
  • Kang, Eunsoo

Abstract

An exemplary embodiment provides a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing an additive including an inorganic solvent, an emulsifier and starch into the monomer mixture; and (c) preparing a copolymer latex by polymerizing the monomer mixture, wherein a content of the starch is 0.1 to 4.9 parts by weight with respect to 100 parts by weight of the monomer mixture.

IPC Classes  ?

56.

RUBBER COMPOSITION COMPRISING CARBON NANOTUBES

      
Application Number KR2022002300
Publication Number 2022/177297
Status In Force
Filing Date 2022-02-16
Publication Date 2022-08-25
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choi, Namsun
  • Oh, Dong Hoon
  • Lim, Young Woo

Abstract

One embodiment of the present invention provides a rubber composition comprising: a rubber matrix; and a multi-walled carbon nanotube aggregate, wherein the multi-walled carbon nanotube aggregate is composed of multi-walled carbon nanotubes having an average number of walls of 12 or less.

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons

57.

EPOXY REACTIVE DILUENT AND MANUFACTURING METHOD THEREFOR

      
Application Number 17720643
Status Pending
Filing Date 2022-04-14
First Publication Date 2022-07-28
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Jang, Jung Hee
  • Park, Yuncheol

Abstract

Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition: Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition: wherein n is 0, 2, 4 or 6.

IPC Classes  ?

  • C07D 303/28 - Ethers with hydroxy compounds containing oxirane rings
  • C07D 301/28 - Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms by reaction with hydroxyl radicals
  • C07D 301/32 - SeparationPurification

58.

MOLDED CATALYST, PRODUCTION METHOD FOR SAME, AND METHOD FOR PRODUCING CYCLIC KETONE USING SAME

      
Application Number KR2021004437
Publication Number 2022/092457
Status In Force
Filing Date 2021-04-08
Publication Date 2022-05-05
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Ji Won
  • Row, Kyoungho
  • Park, Jin Woo

Abstract

The present specification relates to a molded catalyst, a production method for same, and a method for producing a cyclic ketone using same, comprising: (a) a step for producing a mixed powder comprising a catalyst powder and a binder; (b) a step for producing a slurry by mixing an alkali hydroxide aqueous solution into the mixed powder; and (c) a step for obtaining a molded catalyst by molding and heat treating the slurry.

IPC Classes  ?

  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • B01J 37/08 - Heat treatment
  • B01J 21/10 - MagnesiumOxides or hydroxides thereof
  • B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
  • C07C 45/79 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
  • C07C 49/603 - Unsaturated compounds containing a keto group being part of a ring of a six-membered ring, e.g. quinone methides

59.

SYSTEM FOR MANUFACTURING PHTHALONITRILE-BASED COMPOUND AND METHOD FOR MANUFACTURING PHTHALONITRILE-BASED COMPOUND USING SAME

      
Application Number KR2021014454
Publication Number 2022/092657
Status In Force
Filing Date 2021-10-18
Publication Date 2022-05-05
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun

Abstract

Disclosed are a system for manufacturing a phthalonitrile-based compound using a continuous process and a method for manufacturing a phthalonitrile-based compound using same, the system comprising: a first reaction unit that is filled with a mixture containing a phthalonitrile-based compound and a nitrile-based compound; a second reaction unit that is connected to the first reaction unit; and a discharge unit that is connected to the second reaction unit, wherein in the second reaction unit, a fluid flow exists in a direction from the first reaction unit to the discharge unit, and the length of the second reaction unit in the direction of the fluid flow is 10 times or more of the square root of the average cross-sectional area perpendicular to the direction of the fluid flow.

IPC Classes  ?

  • C07C 253/02 - Preparation of carboxylic acid nitriles by reaction of nitrogen oxide with organic compounds
  • C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton

60.

METHOD FOR PREPARING THIOMETHYLPHENOL DERIVATIVE

      
Application Number KR2021014452
Publication Number 2022/092655
Status In Force
Filing Date 2021-10-18
Publication Date 2022-05-05
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Sang Hun
  • Choi, Jung Hei

Abstract

412122 is satisfied.

IPC Classes  ?

  • C07C 315/02 - Preparation of sulfonesPreparation of sulfoxides by formation of sulfone or sulfoxide groups by oxidation of sulfides, or by formation of sulfone groups by oxidation of sulfoxides
  • C07C 323/18 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton

61.

Rubber polymer, method for preparing thereof, and rubber composition comprising the same

      
Application Number 17508148
Grant Number 12404359
Status In Force
Filing Date 2021-10-22
First Publication Date 2022-04-28
Grant Date 2025-09-02
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Lee, Han Baek
  • Kim, Hoo-Chae
  • Lee, Seung-Hwon
  • Do, Seung Hyun
  • Joe, Daejune

Abstract

Disclosed are a rubber polymer including a unit structure derived from a conjugated diene-based monomer and at least one of compounds represented by Chemical Formula 1 to Chemical Formula 4, a method of preparing the same, and a rubber composition including the same.

IPC Classes  ?

  • C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
  • C08C 19/20 - Incorporating sulfur atoms into the molecule
  • C08C 19/25 - Incorporating silicon atoms into the molecule
  • C08C 19/26 - Incorporating metal atoms into the molecule
  • C08F 136/06 - Butadiene
  • C08L 7/00 - Compositions of natural rubber
  • C08L 9/06 - Copolymers with styrene
  • C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers

62.

METHOD FOR PREPARING POLYMER POLYOL

      
Application Number KR2021014639
Publication Number 2022/086148
Status In Force
Filing Date 2021-10-20
Publication Date 2022-04-28
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Gi Jung
  • Kim, Seulgi
  • Park, Jinwoo

Abstract

Disclosed is a method for preparing polymer polyol comprising the steps of: (a) polymerizing polyol and aromatic vinyl monomer in the presence of an organic diluting agent; (b) additionally inputting and polymerizing polyol, aromatic vinyl monomer and unsaturated nitrile monomer in the product of step (a); and (c) removing the organic diluting agent from the product of step (b), wherein the organic diluting agent is compatible with the polymer of the aromatic vinyl monomer.

IPC Classes  ?

  • C08F 212/08 - Styrene
  • C08F 8/00 - Chemical modification by after-treatment
  • C08F 6/10 - Removal of volatile materials, e.g. monomers, solvents
  • C08F 2/00 - Processes of polymerisation
  • C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds

63.

Functionalized processing aid, preparation method thereof, and rubber composition including the same

      
Application Number 17335809
Grant Number 11661499
Status In Force
Filing Date 2021-06-01
First Publication Date 2022-01-13
Grant Date 2023-05-30
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor Kang, Dong Eun

Abstract

2, Z, E, and n are as described in the specification.

IPC Classes  ?

  • C08L 9/06 - Copolymers with styrene
  • C08K 5/544 - Silicon-containing compounds containing nitrogen
  • C08K 5/548 - Silicon-containing compounds containing sulfur
  • C08K 5/5425 - Silicon-containing compounds containing oxygen containing at least one C=C bond
  • C07F 7/08 - Compounds having one or more C—Si linkages

64.

Racing tire rubber composition and method for manufacturing same

      
Application Number 17292740
Grant Number 12116482
Status In Force
Filing Date 2019-11-11
First Publication Date 2021-12-23
Grant Date 2024-10-15
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Oh, Dong Hoon
  • Choi, Namsun
  • Lim, Young Woo

Abstract

An embodiment of the present invention provides a racing tire rubber composition comprising: 30-60 wt % of rubber, 10-30 wt % of carbon black, 1-20 wt % of carbon nanotubes, and 10-50 wt % of oil; and a method for manufacturing same.

IPC Classes  ?

  • C08L 9/06 - Copolymers with styrene
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • B82Y 40/00 - Manufacture or treatment of nanostructures

65.

Latex composition for dip molding and dip-molded article including the same

      
Application Number 17176729
Grant Number 11708441
Status In Force
Filing Date 2021-02-16
First Publication Date 2021-08-19
Grant Date 2023-07-25
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Choung, Sung Hun
  • Jeon, Jong Jin
  • Yang, Kun-Ho

Abstract

According to an exemplary embodiment of the present invention, provided is a latex composition for dip molding, which includes a copolymer latex formed by polymerizing an isoprene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer, wherein a dip-molded article made of the latex composition for dip molding exhibits a durability test result of 45 minutes or more.

IPC Classes  ?

  • C08F 236/08 - Isoprene
  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08F 236/14 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated containing elements other than carbon and hydrogen
  • C08L 9/04 - Latex
  • C08L 13/02 - Latex
  • B29C 41/14 - Dipping a core
  • A41D 19/00 - Gloves

66.

Epoxy reactive diluent and manufacturing method therefor

      
Application Number 17048444
Grant Number 11434215
Status In Force
Filing Date 2019-05-22
First Publication Date 2021-06-03
Grant Date 2022-09-06
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Jang, Jung Hee
  • Park, Yuncheol

Abstract

Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition: wherein n is 0, 2, 4 or 6.

IPC Classes  ?

  • C07D 303/28 - Ethers with hydroxy compounds containing oxirane rings
  • C07D 301/28 - Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms by reaction with hydroxyl radicals
  • C07D 301/32 - SeparationPurification
  • C09D 7/20 - Diluents or solvents

67.

Rubber composition for tire tread and manufacturing method thereof

      
Application Number 17071674
Grant Number 11884105
Status In Force
Filing Date 2020-10-15
First Publication Date 2021-04-22
Grant Date 2024-01-30
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Jae Yun
  • Jung, Yeong Min
  • Park, Soo Jung
  • Noh, Eun Kyung
  • Kang, Dong Eun

Abstract

Proposed is a rubber composition for a tire tread, which includes: a solution-polymerized elastomer having a conjugated diene-based monomer unit, a solution-polymerized elastomer having an aromatic vinyl monomer unit and a conjugated diene-based monomer unit, or a combination thereof, at 100 parts by weight; and a plasticizer containing an aromatic petroleum resin and an aliphatic olefin polymer, at 10 to 50 parts by weight. Further, a manufacturing method of the rubber composition for a tire tread is proposed.

IPC Classes  ?

68.

Copolymer, rubber composition, and method of preparing the same

      
Application Number 16664146
Grant Number 11549003
Status In Force
Filing Date 2019-10-25
First Publication Date 2020-08-13
Grant Date 2023-01-10
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Heo, Ji Hyun
  • Park, June
  • Bae, Cheolbeom
  • Han, Sung Hoon
  • Jung, Se-Hee

Abstract

2 is a vinyl content in the second part.

IPC Classes  ?

  • C08L 9/06 - Copolymers with styrene
  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes

69.

Method for manufacturing multi-wall carbon nanotubes using continuous type process

      
Application Number 16490772
Grant Number 11117803
Status In Force
Filing Date 2018-03-02
First Publication Date 2020-07-23
Grant Date 2021-09-14
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Sang Hyo
  • Sung, Hyun Kyung
  • Jeong, Chung Heon
  • Kim, Dong Hwan

Abstract

A method for manufacturing multi-wall carbon nanotubes, includes the steps of: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) perform thermal decomposition while spraying the precursor solution into a reactor, thereby forming a catalyst powder; and (c) introducing the catalyst powder into a fluidized-bed reactor heated to 600-900° C. and spraying a carbon-based gas and a carrier gas to synthesize multi-wall carbon nanotubes from the catalyst powder, wherein steps (a) to (c) are performed in a continuous type and wherein the catalyst powder contains metal components according to equation 1 below. Ma:Mb=x:y, wherein Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0≤x≤7.5, and 2.5≤y≤8.0.

IPC Classes  ?

  • C01B 32/164 - Preparation involving continuous processes
  • C01B 32/162 - Preparation characterised by catalysts
  • B01J 8/24 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles according to "fluidised-bed" technique
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • B82Y 40/00 - Manufacture or treatment of nanostructures

70.

Rubber composition for tires including carbon nanotubes, and method for producing same

      
Application Number 16637904
Grant Number 11441006
Status In Force
Filing Date 2018-08-16
First Publication Date 2020-07-09
Grant Date 2022-09-13
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Sun
  • Oh, Dong Hoon
  • Ryu, Sang Hyo
  • Jeong, Chung Heon

Abstract

An embodiment of the present invention provides a rubber composition for tires and a method for producing same, wherein the rubber composition for tires includes: carbon nanotubes including structural defects on at least a portion of the surface and having a thermal decomposition temperature equal to or less than 600° C.; and a rubber matrix.

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08L 9/06 - Copolymers with styrene
  • C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C01B 32/162 - Preparation characterised by catalysts

71.

Composition for seeded polymerization, a conjugated diene copolymer, an molded body, and a method for preparing the same

      
Application Number 16661653
Grant Number 11692054
Status In Force
Filing Date 2019-10-23
First Publication Date 2020-06-25
Grant Date 2023-07-04
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Ahn, Du Seong
  • Kwag, Gwanghoon
  • Suh, Jae Kon

Abstract

A composition for seeded polymerization includes: a seed copolymer which has a compound having dithioate, a mercaptan compound, a first aromatic vinyl monomer, and a first conjugated diene monomer, and has an average particle diameter of 10-30 nm; a second aromatic vinyl monomer; and a second conjugated diene monomer.

IPC Classes  ?

  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • B60C 11/00 - Tyre tread bandsTread patternsAnti-skid inserts

72.

System for producing 1,3-butadiene and method of producing 1,3-butadiene using the system

      
Application Number 16707384
Grant Number 11078135
Status In Force
Filing Date 2019-12-09
First Publication Date 2020-06-11
Grant Date 2021-08-03
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Row, Kyoung Ho
  • Yun, Yong Hee
  • Park, Jin Woo
  • Kim, Jae Woo

Abstract

One aspect of the present disclosure provides a system for producing 1,3-butadiene, which includes: a first supply unit, by which a first feed including a butene raw material, oxygen and steam is supplied; a second supply unit, by which a second feed including a butene raw material and oxygen is supplied; and a reaction unit, which includes a catalyst fixed bed and in which an oxidative dehydrogenation reaction takes place, wherein the first supply unit is connected to a front end of the reaction unit, and the second supply unit is connected to an intermediate end of the reaction unit.

IPC Classes  ?

  • B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
  • C07C 5/48 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
  • C07C 5/32 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
  • C07C 11/167 - 1,3-Butadiene

73.

Composition for seeded polymerization, a seed copolymer and a method for preparing the same

      
Application Number 16661696
Grant Number 11802172
Status In Force
Filing Date 2019-10-23
First Publication Date 2020-06-04
Grant Date 2023-10-31
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Ahn, Du Seong
  • Kwag, Gwanghoon
  • Suh, Jae Kon

Abstract

A composition for seeded polymerization includes: a compound having dithioate; a mercaptan compound; an aromatic vinyl monomer; and a conjugated diene monomer.

IPC Classes  ?

  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08F 20/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof
  • C08F 20/44 - Acrylonitrile
  • C08F 236/08 - Isoprene
  • C08F 236/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
  • C08F 212/10 - Styrene with nitriles
  • C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
  • C08K 5/36 - Sulfur-, selenium-, or tellurium-containing compounds
  • C08F 36/06 - Butadiene
  • C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
  • C08F 36/08 - Isoprene
  • C08F 12/08 - Styrene

74.

RACING TIRE RUBBER COMPOSITION AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2019015289
Publication Number 2020/101309
Status In Force
Filing Date 2019-11-11
Publication Date 2020-05-22
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Oh, Dong Hoon
  • Choi, Namsun
  • Lim, Young Woo

Abstract

An embodiment of the present invention provides a racing tire rubber composition comprising: 30-60 wt% of rubber, 10-30 wt% of carbon black, 1-20 wt% of carbon nanotubes, and 10-50 wt % of oil; and a method for manufacturing same.

IPC Classes  ?

  • C08K 3/04 - Carbon
  • C08L 21/00 - Compositions of unspecified rubbers
  • C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
  • C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

75.

ADDITIVE COMPOSITION AND METHOD FOR PREPARING SAME

      
Application Number KR2019013287
Publication Number 2020/080737
Status In Force
Filing Date 2019-10-10
Publication Date 2020-04-23
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Jung Hee
  • Park, Yuncheol
  • Cho, Nam Hyun

Abstract

According to an aspect of the present invention, an additive composition comprises a fixed amount of alpha methyl styrenated phenol, and thus can be used together with a main agent part or a curing agent part for paint and can inhibit the problem of discoloration.

IPC Classes  ?

  • C09D 7/63 - Additives non-macromolecular organic
  • C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins

76.

Additive composition and method of preparing the same

      
Application Number 16601856
Grant Number 11242442
Status In Force
Filing Date 2019-10-15
First Publication Date 2020-04-16
Grant Date 2022-02-08
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Jang, Jung Hee
  • Park, Yun Cheol
  • Cho, Nam Hyun

Abstract

An additive composition includes a specific amount of α-methylstyrenated phenol, can be mixed with a main material part or curing agent part for paint, and can suppress the occurrence of a discoloration issue.

IPC Classes  ?

  • C08K 5/13 - PhenolsPhenolates
  • C08K 5/01 - Hydrocarbons
  • C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins

77.

Catalyst for mass production of multi-wall carbon nanotubes

      
Application Number 16490765
Grant Number 11524277
Status In Force
Filing Date 2018-03-02
First Publication Date 2020-03-12
Grant Date 2022-12-13
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Sang Hyo
  • Sung, Hyun Kyung
  • Jeong, Chung Heon
  • Kim, Dong Hwan

Abstract

Provided is a catalyst for manufacturing multi-wall carbon nanotubes, the catalyst including metal components according to Ma:Mb=x:y, and having a hollow structure with a thickness of 0.5-10 μm. In the above equation, Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y=10, 2.0≤x≤7.5, and 2.5≤y≤8.0.

IPC Classes  ?

  • B01J 35/08 - Spheres
  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 23/881 - Molybdenum and iron
  • B01J 23/847 - Vanadium, niobium or tantalum
  • B01J 23/882 - Molybdenum and cobalt
  • B01J 23/888 - Tungsten
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 37/10 - Heat treatment in the presence of water, e.g. steam
  • C01B 32/162 - Preparation characterised by catalysts

78.

Method of manufacturing rubber composition

      
Application Number 16517838
Grant Number 11427700
Status In Force
Filing Date 2019-07-22
First Publication Date 2020-01-23
Grant Date 2022-08-30
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jae Yun
  • Jung, Yeong Min
  • Park, Soojung

Abstract

A method of manufacturing a rubber composition is provided. The method includes: (a) allowing a mixture including a conjugated diene-based monomer to react in the presence of a first catalyst; (b) introducing a carboxylic acid-based compound into the product of the step (a) to deactivate the first catalyst; and (c) introducing a second catalyst and a conjugated diene-based monomer into the product of the step (b) and allowing the second catalyst and the conjugated diene-based monomer to react with the product of the step (b).

IPC Classes  ?

  • C08F 136/06 - Butadiene
  • C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons

79.

EPOXY REACTIVE DILUENT AND MANUFACTURING METHOD THEREFOR

      
Application Number KR2019006116
Publication Number 2019/240396
Status In Force
Filing Date 2019-05-22
Publication Date 2019-12-19
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Roh, Kee Yoon
  • Cho, Nam Hyun
  • Jang, Jung Hee
  • Park, Yuncheol

Abstract

An embodiment of the present invention provides an epoxy reactive diluent, wherein in an epoxy reactive diluent composition, the content of a compound represented by chemical formula 1 below is 85 wt% or more relative to a total weight of the composition. [Chemical formula 1] In chemical formula 1, n is 0, 2, 4, or 6.

IPC Classes  ?

  • C08K 5/1515 - Three-membered rings
  • C09D 7/20 - Diluents or solvents
  • C07D 303/28 - Ethers with hydroxy compounds containing oxirane rings
  • C07C 43/205 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring

80.

Copolymer including functional monomer and method of preparing the same

      
Application Number 16369717
Grant Number 11059929
Status In Force
Filing Date 2019-03-29
First Publication Date 2019-10-03
Grant Date 2021-07-13
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Cho, Hanjoung
  • Ko, Jae Young
  • Kim, Tae Hee
  • Park, Cheol Min

Abstract

Provided is a copolymer composed of an aromatic vinyl monomer, a conjugated diene monomer, and a functional monomer including two or more nitrogen atoms and a method of preparing the copolymer.

IPC Classes  ?

  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08F 236/14 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated containing elements other than carbon and hydrogen
  • C08L 55/00 - Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups

81.

Method of preparing high solids content polymer polyols having low viscosity

      
Application Number 16291618
Grant Number 11434319
Status In Force
Filing Date 2019-03-04
First Publication Date 2019-09-05
Grant Date 2022-09-06
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Gi Jung
  • Kim, Seul Gi
  • Huh, Seung Moo
  • Park, Jin Woo

Abstract

Provided is a method of preparing a polymer polyol, including steps of: (a) polymerizing a polyol and a monomer in presence of a diluent to prepare a primary particle dispersed liquid; and (b) feeding an additional polyol and monomer into the primary particle dispersed liquid and polymerizing to prepare a secondary particle dispersed liquid.

IPC Classes  ?

  • C08G 18/08 - Processes
  • C08F 212/10 - Styrene with nitriles
  • C08G 18/48 - Polyethers
  • C08G 18/63 - Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
  • C08L 25/12 - Copolymers of styrene with unsaturated nitriles
  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
  • C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals

82.

Method of preparing monodispersed polymer polyols

      
Application Number 16291523
Grant Number 10954345
Status In Force
Filing Date 2019-03-04
First Publication Date 2019-09-05
Grant Date 2021-03-23
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Gi Jung
  • Kim, Seul Gi
  • Huh, Seung Moo

Abstract

Provided is a method of preparing a polymer polyol including steps of (a) respectively batchwise feeding a polyol and a monomer in a weight ratio of 40 to 60:40 to 60 into a reactor to prepare a mixture; and (b) polymerizing the mixture for 1 to 5 hours to prepare monodispersed particles.

IPC Classes  ?

  • C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
  • C08G 18/63 - Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
  • C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • C08G 101/00 - Manufacture of cellular products

83.

METHOD FOR MANUFACTURE OF FOAMING POLYSTYRENE PARTICLE AND FOAMING POLYSTYRENE PARTICLE

      
Application Number KR2018013697
Publication Number 2019/103376
Status In Force
Filing Date 2018-11-12
Publication Date 2019-05-31
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Lee, Hae Ri
  • Lee, Jin Hee
  • Bang, Han Bae
  • Lee, Bum Suk
  • Ma, Ki Young

Abstract

A method for manufacture of foaming polystyrene particles comprises the steps of: dissolving styrene monomers, a styrene resin, expanded graphite, and a bulk polymerization initiator in a reactor to prepare organic phase polystyrene ; subjecting the organic phase polystyrene to bulk polymerization; mixing deionized water, a dispersant, and a surfactant to prepare an aqueous phase mixture; feeding a suspension polymerization initiator and the aqueous phase mixture to the reactor to conduct suspension polymerization to prepare polystyrene particles; and feeding a foaming agent to the reactor to prepare foaming polystyrene particles.

IPC Classes  ?

  • C08J 9/16 - Making expandable particles
  • C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
  • C08F 12/08 - Styrene
  • C08F 2/02 - Polymerisation in bulk
  • C08K 3/04 - Carbon
  • C08L 25/06 - Polystyrene
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08K 5/14 - Peroxides
  • C08J 3/20 - Compounding polymers with additives, e.g. colouring

84.

RUBBER COMPOSITION FOR TIRES INCLUDING CARBON NANOTUBES, AND METHOD FOR PRODUCING SAME

      
Application Number KR2018009394
Publication Number 2019/035659
Status In Force
Filing Date 2018-08-16
Publication Date 2019-02-21
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Sun
  • Oh, Dong Hoon
  • Ryu, Sang Hyo
  • Jeong, Chung Heon

Abstract

An embodiment of the present invention provides a rubber composition for tires and a method for producing same, wherein the rubber composition for tires includes: carbon nanotubes including structural defects on at least a portion of the surface and having a thermal decomposition temperature equal to or less than 600ºC; and a rubber matrix.

IPC Classes  ?

  • C08L 21/00 - Compositions of unspecified rubbers
  • C08K 3/04 - Carbon
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08K 3/08 - Metals

85.

Method for manufacturing copolymer and rubber composition containing the same

      
Application Number 16043861
Grant Number 10654957
Status In Force
Filing Date 2018-07-24
First Publication Date 2019-01-31
Grant Date 2020-05-19
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Park, June
  • Ko, Jae Young

Abstract

According to an embodiment of the present invention, there is provided a method of preparing a copolymer which includes (a) polymerizing an aromatic vinyl monomer and a conjugated diene-based monomer in the presence of a solvent, a first randomizing agent, and a catalyst to prepare a first copolymer including the aromatic vinyl monomer in an amount of 15 to 40 wt %; and (b) reacting the first copolymer with one or more of a second randomizing agent different from the first randomizing agent and an additional aromatic vinyl monomer to prepare a second copolymer.

IPC Classes  ?

  • C08F 236/06 - Butadiene
  • C08F 236/08 - Isoprene
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08F 212/08 - Styrene
  • C08F 4/48 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from alkali metals selected from lithium, rubidium, caesium, or francium
  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • C08F 2/06 - Organic solvent
  • C08K 5/057 - Metal alcoholates
  • C08K 5/1535 - Five-membered rings
  • C08K 5/17 - AminesQuaternary ammonium compounds
  • C08L 9/06 - Copolymers with styrene
  • C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated

86.

Method of preparing rubber composition including syndiotactic 1,2-polybutadiene

      
Application Number 16033810
Grant Number 10711075
Status In Force
Filing Date 2018-07-12
First Publication Date 2019-01-24
Grant Date 2020-07-14
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Jae Yun
  • Jung, Yeong Min

Abstract

Provided is a method of preparing a rubber composition, which includes (a) reacting a conjugated diene-based monomer with one or more of compounds in the presence of a first catalyst; (b) adding a conjugated diene-based monomer to a product of the step (a) and inducing a reaction; and (c) adding a second catalyst and a conjugated diene-based monomer to a product of the step (b) and inducing a reaction.

IPC Classes  ?

  • C08F 2/60 - Polymerisation by the diene synthesis
  • C08F 36/06 - Butadiene
  • C08F 36/08 - Isoprene
  • C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
  • C08F 4/602 - Component covered by group with an organo-aluminium compound
  • C08F 4/609 - Catalysts containing a specific non-metal or metal-free compound organic
  • C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08F 4/12 - Metallic compounds other than hydrides and other than metallo-organic compoundsBoron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium, or rare earths
  • C08F 236/06 - Butadiene
  • C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
  • C08L 7/00 - Compositions of natural rubber
  • C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
  • C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
  • C08F 4/54 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides together with other compounds thereof
  • C08F 2/00 - Processes of polymerisation
  • C08F 2/06 - Organic solvent

87.

Catalytic body coated with metal oxide, method of manufacturing the same, and method of preparing 1,3-butadiene using the same

      
Application Number 16029833
Grant Number 10604459
Status In Force
Filing Date 2018-07-09
First Publication Date 2019-01-17
Grant Date 2020-03-31
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Yun Jung
  • Kim, Jae Woo
  • Yun, Yong Hee
  • Park, Ji Won
  • Row, Kyoung Ho

Abstract

According to an embodiment of the present invention, there are provided a catalytic body, a method of manufacturing the same, and a method of preparing 1,3-butadiene using the same. The catalytic body includes an inactive support; an intermediate layer disposed on a surface of the inactive support; and an active layer disposed on a surface of the intermediate layer, wherein the active layer includes catalyst powder and a binder.

IPC Classes  ?

  • C07C 5/32 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
  • C07C 11/167 - 1,3-Butadiene
  • B01J 35/08 - Spheres
  • B01J 37/02 - Impregnation, coating or precipitation
  • B01J 23/28 - Molybdenum
  • B01J 21/08 - Silica
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 6/00 - CalciningFusing
  • B01J 21/04 - Alumina
  • C07C 5/333 - Catalytic processes
  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 37/08 - Heat treatment

88.

CATALYST MOLDED PRODUCT COATED WITH METAL OXIDE, METHOD FOR PRODUCING SAME, AND 1,3-BUTADIENE PRODUCTION METHOD USING SAME

      
Application Number KR2018007299
Publication Number 2019/013473
Status In Force
Filing Date 2018-06-27
Publication Date 2019-01-17
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Yun Jung
  • Kim, Jae Woo
  • Yun, Yong Hee
  • Park, Ji Won
  • Row, Kyoung Ho

Abstract

An embodiment of the present invention provides: a catalyst molded product including an inert support, an intermediate layer positioned on the surface of the inert support, and an active layer positioned on the surface of the intermediate layer, wherein the active layer includes a catalyst powder and a binder; a method for producing same; and a 1,3-butadiene production method using same.

IPC Classes  ?

  • B01J 35/02 - Solids
  • B01J 21/04 - Alumina
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 23/745 - Iron
  • B01J 21/10 - MagnesiumOxides or hydroxides thereof
  • B01J 23/34 - Manganese
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • B01J 37/03 - PrecipitationCo-precipitation
  • C07C 5/48 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
  • C07C 11/167 - 1,3-Butadiene

89.

Method of preparing rubber composition including syndiotactic 1,2-polybutadiene

      
Application Number 16012123
Grant Number 10745549
Status In Force
Filing Date 2018-06-19
First Publication Date 2018-12-20
Grant Date 2020-08-18
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Jae Yun
  • Jung, Yeong Min

Abstract

According to an embodiment of the present invention, there is provided a method of preparing a rubber composition, which includes (a) synthesizing a living polymer by solution polymerization of a monomer mixture including a conjugated diene-based monomer in the presence of a first catalyst; (b) reacting some ends of the living polymer with a coupling agent; (c) reacting the remaining ends of the living polymer with an organotin halide compound to prepare an end-modified conjugated diene-based polymer solution; and (d) adding a second catalyst and a conjugated diene-based monomer to the end-modified conjugated diene-based polymer solution to induce solution polymerization.

IPC Classes  ?

  • C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCompositions of derivatives of such polymers
  • C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
  • C08F 36/06 - Butadiene
  • C08F 4/48 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from alkali metals selected from lithium, rubidium, caesium, or francium
  • C08F 4/46 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from alkali metals
  • C08F 4/52 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from boron, aluminium, gallium, indium, thallium, or rare earths
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08F 36/08 - Isoprene
  • C08C 19/44 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
  • C08L 7/00 - Compositions of natural rubber
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08L 15/00 - Compositions of rubber derivatives
  • C08C 19/26 - Incorporating metal atoms into the molecule
  • C08F 136/06 - Butadiene
  • C08C 19/24 - Incorporating phosphorus atoms into the molecule

90.

Metal oxide catalyst, method of preparing the catalyst, and method of alcohol using the same

      
Application Number 15937033
Grant Number 10507456
Status In Force
Filing Date 2018-03-27
First Publication Date 2018-10-04
Grant Date 2019-12-17
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Ji Won
  • Yun, Yong Hee
  • Row, Kyoung Ho

Abstract

wherein X represents nickel or copper.

IPC Classes  ?

  • B01J 23/755 - Nickel
  • B01J 23/72 - Copper
  • C07C 29/145 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of ketones with hydrogen or hydrogen-containing gases
  • B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 35/02 - Solids
  • B01J 37/04 - Mixing
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • C01G 53/00 - Compounds of nickel
  • C07C 29/143 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of ketones
  • C01G 3/00 - Compounds of copper
  • B01J 37/08 - Heat treatment

91.

METAL OXIDE CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING ALCOHOL USING SAME

      
Application Number KR2018003157
Publication Number 2018/182214
Status In Force
Filing Date 2018-03-19
Publication Date 2018-10-04
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Park, Ji Won
  • Yun, Yong Hee
  • Row, Kyoung Ho

Abstract

One aspect of the present invention provides a metal oxide catalyst which is involved in a hydrogenation reaction for converting ketones into alcohol, wherein the metal oxide catalyst is a metal oxide catalyst having a spinel structure of following formula (1), a method for producing the same, and a method for producing alcohol using the same. XAl2O4, wherein X is nickel or copper.

IPC Classes  ?

  • B01J 23/70 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper
  • B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
  • B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
  • C07C 29/132 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group

92.

METHOD FOR MANUFACTURING MULTI-WALL CARBON NANOTUBES USING CONTINUOUS TYPE PROCESS

      
Application Number KR2018002548
Publication Number 2018/160041
Status In Force
Filing Date 2018-03-02
Publication Date 2018-09-07
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Sang Hyo
  • Sung, Hyun Kyung
  • Jeong, Chung Heon
  • Kim, Dong Hwan

Abstract

An embodiment of the present invention provides a method for manufacturing multi-wall carbon nanotubes, the method comprising the steps of: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) perform thermal decomposition while spraying the precursor solution into a reactor, thereby forming a catalyst powder; and (c) introducing the catalyst powder into a fluidized-bed reactor heated to 600-900°C and spraying a carbon-based gas and a carrier gas to synthesize multi-wall carbon nanotubes from the catalyst powder, wherein steps (a) to (c) are performed in a continuous type and wherein the catalyst powder contains metal components according to equation 1 below. Ma:Mb = x:y, wherein Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y = 10, 2.0≤x≤7.5, and 2.5≤y≤8.0.

IPC Classes  ?

  • C01B 32/162 - Preparation characterised by catalysts
  • C01B 32/164 - Preparation involving continuous processes
  • B01J 23/74 - Iron group metals
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
  • B01J 8/18 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles

93.

CATALYST FOR MASS PRODUCTION OF MULTI-WALL CARBON NANOTUBES

      
Application Number KR2018002549
Publication Number 2018/160042
Status In Force
Filing Date 2018-03-02
Publication Date 2018-09-07
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Sang Hyo
  • Sung, Hyun Kyung
  • Jeong, Chung Heon
  • Kim, Dong Hwan

Abstract

An embodiment of the present invention provides a catalyst for manufacturing multi-wall carbon nanotubes, the catalyst comprising metal components according to Ma:Mb = x:y, and having a hollow structure with a thickness of 0.5-10 ㎛. In the above equation, Ma represents at least two metals selected from Fe, Ni, Co, Mn, Cr, Mo, V, W, Sn, and Cu; Mb represents at least one metal selected from Mg, Al, Si, and Zr; x and y each represent the molar ratio of Ma and Mb; and x+y = 10, 2.0≤x≤7.5, and 2.5≤y≤8.0.

IPC Classes  ?

  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 21/02 - Boron or aluminiumOxides or hydroxides thereof
  • B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
  • B01J 23/74 - Iron group metals
  • B01J 35/02 - Solids
  • C01B 32/162 - Preparation characterised by catalysts

94.

CONDUCTIVE GLOVES AND METHOD FOR MANUFACTURING SAME

      
Application Number KR2017012880
Publication Number 2018/151393
Status In Force
Filing Date 2017-11-14
Publication Date 2018-08-23
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Jung, Woo Ram
  • Kim, Dong Hwan
  • Kim, Sung Ryul
  • Lee, Hee Myung

Abstract

An embodiment of the present invention provides conductive gloves each comprising: a glove; and a coating layer formed on at least a portion of a surface of the glove, wherein the coating layer is formed by coating and drying a conductive composition containing a carbon nanotube dispersion and an elastomer, and the carbon nanotube dispersion contains 1-10 wt% of carbon nanotubes, 0.1-10 wt% of a first surfactant, and a first solvent as the balance.

IPC Classes  ?

  • A41D 19/00 - Gloves
  • D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
  • C09D 5/24 - Electrically-conducting paints
  • C09D 7/12 - Other additives
  • C09D 109/04 - Latex
  • C09D 109/08 - Latex
  • D06M 11/74 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphiteTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbidesTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with graphitic acids or their salts

95.

Method for preparing a solution of a rare-earth alkyl phosphate

      
Application Number 15805923
Grant Number 10093754
Status In Force
Filing Date 2017-11-07
First Publication Date 2018-05-17
Grant Date 2018-10-09
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Lee, Hyung Jae
  • Heo, Ji Hyun

Abstract

Disclosed is a method of preparing a rare-earth alkyl phosphate solution, the method including step (a) of preparing an alkyl phosphate amine salt solution by reacting an organic amine with an alkyl phosphate in a first solvent; step (b) of preparing a rare-earth metal salt solution by reacting a rare-earth metal oxide with an acid in the second solvent; and step (c) of mixing and reacting the alkyl phosphate amine salt solution with the rare-earth metal salt solution.

IPC Classes  ?

  • C08F 4/68 - Vanadium, niobium, tantalum, or compounds thereof
  • C08F 4/629 - Catalysts containing a specific non-metal or metal-free compound organic

96.

CATALYST AND CONTINUOUS PROCESS FOR MASS PRODUCTION OF MULTI-WALLED CARBON NANOTUBE

      
Application Number KR2016013114
Publication Number 2018/074652
Status In Force
Filing Date 2016-11-15
Publication Date 2018-04-26
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Sang Hyo
  • Sung, Hyun Kyung
  • Jeong, Chung Heon
  • Kim, Dong Hwan

Abstract

The present invention relates to a catalyst and a continuous process for mass production of multi-walled carbon nanotube. More particularly, it relates to a catalyst for mass production of multi-walled carbon nanotube as well as a continuous process for the mass production of multi-walled carbon nanotube.

IPC Classes  ?

97.

End-modified conjugated diene polymer and method for preparing the same

      
Application Number 15633148
Grant Number 10246564
Status In Force
Filing Date 2017-06-26
First Publication Date 2017-10-12
Grant Date 2019-04-02
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Cho, Hanjoung
  • Ko, Jae Young
  • Kwon, Min Sung
  • Lee, Dae Hyung
  • Noh, Eun Kyung
  • Park, Cheol Min
  • Ji, Sang Chul

Abstract

One aspect of the present invention provides an end-modified conjugated diene polymer represented by Formula 1 below: 20 saturated or unsaturated hydrocarbon chains; X is carbon (C), silicon (Si), or nitrogen (N); a is 1 or 2; and n is an integer of 1 to 200, and a method for preparing the same.

IPC Classes  ?

  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
  • C08F 236/06 - Butadiene
  • C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
  • C08K 3/34 - Silicon-containing compounds
  • C08C 19/22 - Incorporating nitrogen atoms into the molecule
  • C08C 19/25 - Incorporating silicon atoms into the molecule
  • C08C 19/44 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton

98.

Electroconductive resin composition and molded product thereof

      
Application Number 15472440
Grant Number 09953738
Status In Force
Filing Date 2017-03-29
First Publication Date 2017-10-05
Grant Date 2018-04-24
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Hwang, Ho Soo
  • Lee, Wan Sung

Abstract

An electroconductive resin composition and a molded product thereof. The electroconductive resin includes 100 parts by weight of a thermoplastic polymer resin; 0.5 to 5 parts by weight of a carbon nanotube aggregate formed of a plurality of carbon nanotubes having an average outer diameter of 8 to 50 nm and an average inner diameter that is 40% or more of the average outer diameter; and 5 to 15 parts by weight of carbon black.

IPC Classes  ?

  • H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
  • C08K 3/04 - Carbon
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • B82Y 40/00 - Manufacture or treatment of nanostructures

99.

Conductive resin composition and plastic molded product using the same

      
Application Number 15435602
Grant Number 10290388
Status In Force
Filing Date 2017-02-17
First Publication Date 2017-08-24
Grant Date 2019-05-14
Owner Korea Kumho Petrochemical Co., Ltd. (Republic of Korea)
Inventor
  • Oh, Dong Hoon
  • Sung, Hyun Kyung
  • Ryu, Sang Hyo
  • Jeong, Chung Heon
  • Kim, Ki Hong
  • Kim, Dong Hwan

Abstract

According to one aspect of the present invention, carbon nanotubes whose diameter, length, crystallinity, purity and the like are adjusted to predetermined ranges are added to a thermoplastic resin, and thus the thermoplastic resin can be provided with improved electrical conductivity.

IPC Classes  ?

  • H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
  • C08K 3/04 - Carbon
  • B82Y 40/00 - Manufacture or treatment of nanostructures
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

100.

ENVIRONMENTALLY FRIENDLY THERMOPLASTIC RESIN COMPOSITION HAVING EXCELLENT PLATING PROPERTIES

      
Application Number KR2016013385
Publication Number 2017/116007
Status In Force
Filing Date 2016-11-21
Publication Date 2017-07-06
Owner KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
Inventor
  • Kim, Ho Soo
  • Lee, Sup Joo
  • Kim, Hyung Jin
  • Jung, Joon Hee

Abstract

An embodiment of the present invention provides a thermoplastic resin composition comprising: 10-35 wt% of a first graft copolymer resin, in which 55-65 parts by weight of a diene-based rubber polymer and 35-45 parts by weight of a monomer mixture are graft polymerized, the monomer mixture having an aromatic vinyl monomer and a vinyl cyano monomer mixed respectively at a weight ratio of 60-80:20-40; 10-30 wt% of a first copolymer resin in which an aromatic vinyl monomer and a vinyl cyano monomer are mixed respectively at a weight ratio of 60-80:20-40; 30-75 wt% of a polycarbonate resin; and 2-8 wt% of a conductive filler.

IPC Classes  ?

  • C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to rubbers
  • C08L 25/12 - Copolymers of styrene with unsaturated nitriles
  • C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
  • C08K 3/04 - Carbon
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