Business management, business administration, office
functions and business intermediary services relating to the
purchase, sale, import, export of coolants, heat transfer
fluids, anti-freeze and chemicals.
2.
Heat-transfer fluid with low electrical conductivity comprising a vinyl pyrrolidone polymer, methods for its preparation and uses thereof
The present invention concerns concentrated and ready-to use coolant compositions comprising a base fluid and N-vinylpyrrolidone polymer wherein the compositions have an electrical conductivity at 25° C. of less than 100 μS/cm, wherein the base fluid consists of water and alcohol, wherein the alcohol is present in an amount in the range of 10-99.5 wt. % by weight of the base fluid, wherein the composition comprises more than 75 wt. % base fluid by total weight of the composition, and wherein the amount of inorganic compounds is less than 100 ppm by total weight of the composition.
Business management, business administration, office functions and business intermediary services relating to the purchase and sale as well as the import and export of coolants, heat transfer fluids, anti-freeze and chemicals.
(1) Business management, business administration, office functions and business intermediary services relating to the purchase and sale as well as the import and export of coolants, heat transfer fluids, anti-freeze and chemicals.
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 μS/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 μS/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The present invention concerns heat-transfer fluid compositions, such as concentrated and ready-to- use heat-transfer fluid compositions, comprising a base fluid, a divalent metal cation and an organophosphorus acid or a salt thereof, wherein the compositions have an electrical conductivity at 25 °C of less than 500 µS/cm, wherein the base fluid consists of water and alcohol, wherein the alcohol is present in an amount in the range of 10-99.5 wt.% by weight of the base fluid, and wherein the composition comprises more than 75 wt.% of the base fluid by total weight of the composition.
The present invention relates to heat-transfer fluids with low conductivity which comprise a base fluid and at least one aliphatic carboxamide and are useful for diverse applications, for example in fuel cells. it was found that aliphatic carboxamides significantly outperform aromatic carboxamides with regard to maintaining low conductivity upon aging at increased temperatures. Furthermore, it was surprisingly found that the compositions in accordance with the invention are capable of maintaining this low electrical conductivity upon aging at increased temperatures in the presence of aluminum substrates.
The present invention concerns concentrated and ready-to use coolant compositions comprising a base fluid and N-vinylpyrrolidone polymer wherein the compositions have an electrical conductivity at 25 °C of less than 100 µS/cm, wherein the base fluid consists of water and alcohol, wherein the alcohol is present in an amount in the range of 10-99.5 wt.% by weight of the base fluid, wherein the composition comprises more than 75 wt.% base fluid by total weight of the composition, and wherein the amount of inorganic compounds is less than 100 ppm by total weight of the composition.
The present invention concerns concentrated and ready-to use coolant compositions comprising a base fluid and N-vinylpyrrolidone polymer wherein the compositions have an electrical conductivity at 25 °C of less than 100 µS/cm, wherein the base fluid consists of water and alcohol, wherein the alcohol is present in an amount in the range of 10-99.5 wt.% by weight of the base fluid, wherein the composition comprises more than 75 wt.% base fluid by total weight of the composition, and wherein the amount of inorganic compounds is less than 100 ppm by total weight of the composition.
The present invention relates to glycol based heat-transfer fluids exhibiting corrosion inhibition and comprising more than 5 wt. % (by total weight of the composition) of a glycol selected from the group consisting of monoethylene glycol, monopropylene glycol, 1,3-propanediol, glycerol or combinations thereof; and more than 1 wt. % (by total weight of the composition) of a short-chain organic carboxylic acid or salt thereof selected from the group consisting of C2 organic carboxylic acids or salts thereof, C3 organic carboxylic acids or salts thereof and combinations thereof; wherein the combined amount of the glycol and the short-chain organic carboxylic acid or salt thereof is more than 15 wt. % (by total weight of the composition). The invention further relates to concentrates for the preparation of said heat-transfer fluids, to methods for the preparation of said heat-transfer fluids, and to the methods and uses employing said heat-transfer fluids.
The present invention relates to silicate based heat-transfer fluids comprising an aromatic polyacid according to formula (I) or a salt thereof. It was found that said compositions exhibit increased corrosion inhibition on both aluminum and ferrous alloy substrates compared to similar compositions comprising borate or a different aromatic acid. The invention further relates to concentrates and kits for the preparation of said silicate based heat-transfer fluids, to methods for the preparation of said silicate based heat-transfer fluids, and to the methods and uses employing said silicate based heat-transfer fluids.
The present invention relates to silicate based heat-transfer fluids comprising an aromatic polyacid according to formula (I) or a salt thereof. It was found that said compositions exhibit increased corrosion inhibition on both aluminum and ferrous alloy substrates compared to similar compositions comprising borate or a different aromatic acid. The invention further relates to concentrates and kits for the preparation of said silicate based heat-transfer fluids, to methods for the preparation of said silicate based heat-transfer fluids, and to the methods and uses employing said silicate based heat-transfer fluids.
The present invention relates to heat-transfer fluids with low conductivity which comprise a base fluid and at least one aliphatic carboxamide and are useful for diverse applications, for example in fuel cells. It was found that aliphatic carboxamides significantly outperform aromatic carboxamides with regard to maintaining low conductivity upon aging at increased temperatures. Furthermore, it was surprisingly found that the compositions in accordance with the invention are capable of maintaining this low electrical conductivity upon aging at increased temperatures in the presence of aluminum substrates.
The present invention relates to heat-transfer fluids with low conductivity which comprise a base fluid and at least one aliphatic carboxamide and are useful for diverse applications, for example in fuel cells. It was found that aliphatic carboxamides significantly outperform aromatic carboxamides with regard to maintaining low conductivity upon aging at increased temperatures. Furthermore, it was surprisingly found that the compositions in accordance with the invention are capable of maintaining this low electrical conductivity upon aging at increased temperatures in the presence of aluminum substrates.
233 organic carboxylic acids or salts thereof and combinations thereof; wherein the combined amount of the glycol and the short-chain organic carboxylic acid or salt thereof is more than 15 wt.% (by total weight of the composition). The invention further relates to concentrates for the preparation of said heat-transfer fluids, to methods for the preparation of said heat-transfer fluids, and to the methods and uses employing said heat-transfer fluids.
C23F 11/08 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
18.
GLYCOL BASED HEAT-TRANSFER FLUID COMPRISING ORGANIC CARBOXYLIC ACID OR SALT THEREOF, METHODS FOR ITS PREPARATIONS AND USES THEREOF
The present invention relates to glycol based heat-transfer fluids exhibiting corrosion inhibition and comprising more than 5 wt.% (by total weight of the composition) of a glycol selected from the group consisting of monoethylene glycol, monopropylene glycol, 1,3-propanediol, glycerol or combinations thereof; and more than 1 wt.% (by total weight of the composition) of a short-chain organic carboxylic acid or salt thereof selected from the group consisting of C2 organic carboxylic acids or salts thereof, C3 organic carboxylic acids or salts thereof and combinations thereof; wherein the combined amount of the glycol and the short-chain organic carboxylic acid or salt thereof is more than 15 wt.% (by total weight of the composition). The invention further relates to concentrates for the preparation of said heat-transfer fluids, to methods for the preparation of said heat-transfer fluids, and to the methods and uses employing said heat-transfer fluids.
The present invention relates to silicate based heat-transfer fluids comprising an aromatic polyacid according to formula (I) or a salt thereof. It was found that said compositions exhibit increased corrosion inhibition on both aluminum and ferrous alloy substrates compared to similar compositions comprising borate or a different aromatic acid. The invention further relates to concentrates and kits for the preparation of said silicate based heat-transfer fluids, to methods for the preparation of said silicate based heat-transfer fluids, and to the methods and uses employing said silicate based heat-transfer fluids.
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
The present invention relates to silicate based heat-transfer fluids comprising an aromatic polyacid according to formula (I) or a salt thereof. It was found that said compositions exhibit increased corrosion inhibition on both aluminum and ferrous alloy substrates compared to similar compositions comprising borate or a different aromatic acid. The invention further relates to concentrates and kits for the preparation of said silicate based heat-transfer fluids, to methods for the preparation of said silicate based heat-transfer fluids, and to the methods and uses employing said silicate based heat-transfer fluids.
This invention covers a formulation providing protection against corrosion in liquid and vapor phase. Such formulations are used in applications where engine parts or fuel cell systems are subjected to a “running-in” or “hot-test” prior to final assembly or storage. The invention includes a concentrate as well as a dilute solution. The synergistic combination of inorganic ammonium derivatives in combination with monocarboxylic or dicarboxylic acids increases the period of protection. This enables storage for a longer period when the engine parts are shipped or stored prior to assembling. The use of the described invention pre-conditions the metal surface and provides protection even if afterwards the liquid is almost completely removed.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
C23F 11/02 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
C23F 11/08 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
C23F 11/18 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
22.
STABILIZATION OF HEXAGONAL BORON NITRIDE NANOPARTICLES
The invention relates to a composition comprising a continuous phase of water, alcohol, or a mixture of water and alcohol; hexagonal boron nitride nanoparticles dispersed in the continuous phase; and a compound having a formula (I) (See Formula I) or a salt thereof, wherein n is an integer between 50 and 200 and y is an integer between 20 and 200 for use in heat transfer fluids.
A composition includes a continuous phase of water, alcohol, or a mixture of water and alcohol; hexagonal boron nitride nanoparticles dispersed in the continuous phase; and a compound having a : formula (I) or a salt thereof, wherein n is an integer between 50 and 200 and y is an integer between 20 and 200.
A composition includes a continuous phase of water, alcohol, or a mixture of water and alcohol; hexagonal boron nitride nanoparticles dispersed in the continuous phase; and a compound having a formula (I)
or a salt thereof, wherein n is an integer between 50 and 200 and y is an integer between 20 and 200.
It has been found that the chemical reactivity of the metal surface of heat exchangers with coolants in presence of nitrites can be reduced by the addition of additives such as phosphonates or phosphinates. Aluminum, other Group III metals, as well as other metals commonly used in cooling systems, such as those of automobile engines, may thus be effectively protected.
C23F 11/18 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
C09K 5/20 - Antifreeze additives therefor, e.g. for radiator liquids
C23C 22/60 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH > 8
C23C 22/66 - Treatment of aluminium or alloys based thereon
It has been found that the chemical reactivity of the metal surface of heat exchangers with coolants in presence of nitrites can be reduced by the addition of additives such as phosphonates or phosphinates. Aluminum, other Group III metals, as well as other metals commonly used in cooling systems, such as those of automobile engines, may thus be effectively protected.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
C23F 11/18 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
C09K 5/20 - Antifreeze additives therefor, e.g. for radiator liquids
C23C 22/60 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH > 8
C23C 22/66 - Treatment of aluminium or alloys based thereon
The technology of this invention relates to an aqueous heat transfer solution exhibiting enhanced stability as well as thermal conductivity. The solution comprises silicon oxide nanoparticles, to which a freezing point depressant may potentially be added. The solution provides protection against forms of corrosion for use in applications where cooling is critical. The invention also covers the use of a concentrate as well as the dilution made from the concentrate.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
The technology of this invention relates to an aqueous heat transfer medium liquid composition exhibiting enhanced stability as well as thermal conductivity. The composition comprises, in addition to water: (a) at least one type of silica colloid particle, each particle having an average particle diameter in the range of from 0.1 to 1000 nm; (b) at least one type of phosphonate functional siliconate having the following structure: wherein Ri is a water solubilizing group, R2 is selected from the group consisting of hydrogen, an alkyl group of from 1 to 3 carbons, and a water-soluble cation, and R3 is an alkylene group, wherein the water solubilizing group R1 is a functionalized amine of the following structure: wherein M is hydrogen or a water-soluble cation; and (c) at least one kind of metal corrosion inhibitor.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
This invention relates to a solution that provides protection against forms of corrosion. Such solutions are intended for use in applications where cooling system parts are hot tested or the engine is run-in prior to it being stored and/or assembled in the final vehicle or engine configuration. The invention includes a concentrate as well as a dilute solution made from the concentrate. The synergistic combination of inorganic ammonium derivatives in combination with monocarboxylic or dicarboxylic acids has proven to dramatically increase the period of protection, thus enabling storage for a longer period when the engine parts are shipped or stored prior to assembling. The use of the described invention shows a pre-conditioning of the metal surface and provides protection even if afterwards the liquid is almost completely removed. Other traditional or organic inhibitors like triazole, nitrate, nitrite, silicate, borate, molybdate, phosphate or more recent inhibitors like organic aromatic and aliphatic acid salts can optionally be added. A freezing point depressant can be added as well, providing, in addition to freezing protection, an increased vapor phase protection level.
C23F 11/02 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
C23F 11/06 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly alkaline liquids
C23F 11/18 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
30.
Molybdate-free antifreeze concentrate and coolant compositions and preparation thereof
A molybdate-free antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
Business management, business administration, office
functions and business intermediary services relating to the
purchase and sale as well as the import and export of
coolants, heat transfer fluids, anti-freeze and chemicals.
32.
Antifreeze concentrate and coolant compositions and preparation thereof
An antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Water-soluble liquid coolants, heat transfer fluids for industrial use; chemical products for use as coolant, comprised of glycols, water or salts as base-fluids
34.
Potassium propionates for use as freezing point depressants and corrosion protection in heat transfer fluids
16 organic acid salt corrosion inhibitors, provides an antifreeze/coolant composition wherein the corrosion inhibitors exhibit uniquely enhanced solubility, especially at low temperatures, in synergistic combination with the selected carboxylate freezing point depressants.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Cooling fluids, cooling agents, heat transfer fluids; chemical preparations included in this class with the exception of anti-freezing agents and screen washer liquids. Preservatives against rust.
