The invention relates to a polymeric composition for thickening a cosmetic or detergent composition, said polymeric composition comprising either at least one crosslinked polymer crosslinked with at least one labile crosslinker and at least one non-labile crosslinker, or at least two crosslinked polymers with at least one being crosslinked with at least one labile crosslinker and at least one being crosslinked with at least one non-labile crosslinker. The polymeric composition according to the invention allows the viscosity of a cosmetic or detergent composition to be maintained over time.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
B01D 15/00 - Separating processes involving the treatment of liquids with solid sorbentsApparatus therefor
C08F 226/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
C09D 7/00 - Features of coating compositions, not provided for in group Processes for incorporating ingredients in coating compositions
This invention relates to a process for making a paper or cardboard sheet from a fibrous suspension, comprising the following steps: a) injecting a P3 polymer into a suspension of cellulosic fibers, b) forming a paper or cardboard sheet, c) drying the paper or cardboard sheet, the P3 polymer being prepared, prior to step a), from a water-soluble P1 polymer of at least one nonionic monomer selected from acrylamide, methacrylamide, N,N-dimethylacrylamide and acrylonitrile, the P1 polymer being subjected to an Re1 reaction to give a P2 polymer, which is then subjected to an Re2 reaction to give the P3 polymer, which is injected into the fibrous suspension within 24 hours of the start of the Re1 reaction, - the Re1 reaction comprises preparing a P2 polymer comprising isocyanate functions by reaction for 10 seconds to 60 minutes between (i) an alkali hydroxide and/or an alkaline earth hydroxide, (ii) an alkali hypohalite and/or an alkaline earth hypohalite and (iii) the P1 polymer, - the Re2 reaction comprises preparing a P3 polymer by reaction between (iv) a micro-cellulose compound and (v) the P2 polymer comprising isocyanate functions.
The present application relates to an injection fluid F for hydraulic fracturing comprising at least one synthetic water-soluble polymer P with a weight-average molecular weight greater than or equal to 1 million daltons, said fluid being prepared according to a method comprising the following successive steps: a) preparing, by radical polymerization, an inverse emulsion E comprising between 15% and 40% by weight of polymer P, between 20% and 60% by weight of water and at least one hydrocarbon-based solvent, the percentages being expressed by weight relative to the weight of the emulsion E, b) distilling the inverse emulsion E to obtain a dispersion D comprising between 40% and 60% by weight of particles of polymer P, less than 10% by weight of water and at least one hydrocarbon-based solvent, the percentages being expressed by weight relative to the weight of the dispersion D, c) diluting the dispersion D with 1% to 15% by weight of an aqueous solution S comprising between 20% and 60% by weight of salts, the percentages being expressed by weight relative to the weight of the dispersion D.
The invention relates to a method for the removal of supernatant from media on a filter, where flocculant and/or coagulants are added to a media to enhance the drainage rate of supernatant, leaving the media at least partially dewatered, during which the surface topography of the media is measured and the amount of flocculant and/or coagulant to be added is a function of the topography of the media above the filter within a region of interest, or regions of interest.
C02F 11/123 - Treatment of sludgeDevices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
C02F 11/14 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents
G01N 15/06 - Investigating concentration of particle suspensions
G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging
B01D 37/03 - Processes of filtration using flocculating agents
B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
5.
METHOD FOR TREATING SUSPENSIONS OF MINERAL PARTICLES
Method of in-situ crosslinking a polymer treated mineral slurry residues from a mineral processing operation, in which said mineral slurry residues comprises an aqueous liquid with dispersed particulate mineral solids, characterised by: (a) combining with said mineral slurry residues a water-soluble ionic polymer such that the dispersed particulate mineral solids of the mineral slurry residues are positively or negatively charged such that said mineral slurry residues are treated, and then (b) combining with said treated mineral slurry residues a ionic crosslinking agent such that a in-situ crosslinking occurs in the structure of the treated mineral slurry residues, and wherein the ionicity of the water-soluble polymer and the ionicity of the crosslinking agent are opposite.
The present invention relates to a method for obtaining a bio-sourced (meth)allylsulfonate alkali salt obtained from a (meth)allyl halide, said (meth)allyl halide being at least partially renewable and non-fossil, a (co)polymer obtained from said bio-sourced (meth)allylsulfonate alkali salt, and to its use.
C07C 303/04 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
C07C 309/20 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic unsaturated carbon skeleton
C08F 28/02 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
C09K 8/12 - Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
D06P 1/44 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
D06P 1/52 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
A61K 9/00 - Medicinal preparations characterised by special physical form
A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
C04B 103/46 - Water-loss reducers, hygroscopic or hydrophilic agents
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
C09K 8/42 - Compositions for cementing, e.g. for cementing casings into boreholesCompositions for plugging, e.g. for killing wells
C09K 8/467 - Compositions for cementing, e.g. for cementing casings into boreholesCompositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
C09K 8/487 - Fluid loss control additivesAdditives for reducing or preventing circulation loss
The present invention relates to a method for obtaining N-vinylformamide comprising the reaction between an acetaldehyde and a formamide, one of the two, preferably both, being at least partially renewable and non-fossil. The invention further relates to a bio-sourced N-vinylformamide monomer, a bio-sourced polymer incorporating at least said monomer and the use of said polymer in various technical fields.
C07C 233/03 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to hydrogen atoms
C07C 231/08 - Preparation of carboxylic acid amides from amides by reaction at nitrogen atoms of carboxamide groups
8.
BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UNSATURATION BY BIOCONVERSION OF A BIO-SOURCED COMPOUND COMPRISING AT LEAST ONE NITRILE FUNCTION
The present invention relates to a biological method for obtaining an MO monomer comprising an ethylenic unsaturation by bioconversion of a CN compound comprising at least one nitrile function, said CN compound being at least partially renewable and non-fossil, said biological method comprising at least one step of enzymatic bioconversion of the CN compound in the presence of a biocatalyst comprising at least one enzyme.
C07C 231/06 - Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
C07C 233/09 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
The present invention relates to a bio-sourced cationic polymer obtained by reaction of epihalohydrin that is least partially renewable and non-fossil, and at least one compound of formula (R1222n222N(R22mm that is at least partially renewable and non- fossil, R1and R2being, independently of one another, a hydrogen atom H or an alkyl chain5 comprising 1 to 8 carbon atoms, n = 0 to 3, m = 0 or 1, and where n = m = 0, then a hydrogen atom H is covalently bound to the nitrogen atom N of the N(R122 group.
The present invention relates to a method for obtaining dimethylaminoethyl (meth)acrylate comprising reacting a (meth)acrylic ester with dimethylaminoethanol that is at least partially renewable and non-fossil.
C07C 213/06 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton from hydroxy amines by reactions involving the etherification or esterification of hydroxy groups
C07C 219/08 - Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the hydroxy groups esterified by a carboxylic acid having the esterifying carboxyl group bound to an acyclic carbon atom of an acyclic unsaturated carbon skeleton
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
11.
PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE
The present invention relates to a method for obtaining diallyldialkylammonium halide comprising the reaction between allyl halide and a dialkylamine, one of the two, preferentially both, being at least partially renewable and non-fossil. The invention further relates to a bio-sourced diallyldialkylammonium halide monomer, a bio-sourced polymer incorporating at least said monomer and the use of said polymer in various technical fields.
C09K 8/12 - Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
C09K 8/44 - Compositions for cementing, e.g. for cementing casings into boreholesCompositions for plugging, e.g. for killing wells containing organic binders only
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
D06P 1/44 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
D06P 1/52 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
The present invention relates to a method for obtaining substituted alkyl(meth)acrylamide comprising the reaction between (meth)acrylic acid or one of the esters thereof on the one hand, and a primary or a secondary alkylamine on the other hand, one of the two, preferably both, being at least partially renewable and non-fossil.
C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
C07C 233/09 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
C09K 8/12 - Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
C09K 8/44 - Compositions for cementing, e.g. for cementing casings into boreholesCompositions for plugging, e.g. for killing wells containing organic binders only
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
D21H 17/37 - Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
D06P 1/44 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
D06P 1/52 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
The present invention relates to a water-soluble polymer having a weight-average molecular weight greater than 10 million daltons. This polymer is obtained from 2-acrylamido-2-methylpropane sulphonic acid and/or one of its salts at least partly of renewable and non-fossil origin. It can be used in the field of assisted recovery of oil and gas or in the treatment of tailings from the mining industry.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
14.
Equipment and method for preparing an aldehyde-functionalised polymer
Equipment for preparing a polymer solution of a non-ionic, cationic, anionic or amphoteric polymer by reaction between a compound including at least one aldehyde function and at least one base polymer aqueous solution having at least one non-ionic monomer includes a reactor provided with a stirring system, as well as a recirculation loop including between the outlet of the reactor and the inlet of the reactor, a recirculation pump, a pH measuring probe, and a pressure differential in-line measuring device in the form of a calibrated tube configured to measure the pressure difference of the polymer solution between the inlet and the outlet of the calibrated tube, the calibrated tube being branched on the recirculation loop.
This invention relates to a water-soluble associative amphoteric polymer and its use as a subterranean drilling or treatment fluid, for example in the fields of subterranean hydrocarbon recovery, construction, or geothermal energy.
The present invention concerns the use, for the purpose of producing an aqueous-alcoholic composition comprising 50% to 80% by mass of at least one alcohol and at least 10% by mass of an aqueous phase, of a branched or crosslinked polymer obtained by polymerising an aqueous solution of one or more monomers in inverse water-in-oil emulsion, at least one of the monomers used being an acrylic monomer and one or more of the monomers used being a monomer bearing at least one weak acid function, the molar percentage of monomers bearing at least one weak acid function, relative to all the monomers used, being at least 30%, and in which: i) the polymerisation is carried out with a concentration of the entirety of the monomers in aqueous solution belonging to the range from 1.3 mmol to 3.6 mmol per gram of aqueous solution, ii) during the polymerisation, not more than 20 mol% of the acid functions present on the monomers possessing at least one acid function are in neutralised form.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 17/00 - Barrier preparationsPreparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
17.
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/−0.1°).
The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
The present invention relates to a method for manufacturing a sheet of paper or cardboard from a fibrous suspension, comprising the following steps: a) injecting a polymer P2 into a fibrous suspension, b) forming a sheet of paper or cardboard, c) drying the sheet of paper or cardboard, the polymer P2 being prepared, prior to step a), from a water-soluble polymer P1 in the form of solid particles, P1 being made up of at least one non-ionic monomer chosen from acrylamide, methacrylamide, N,N-dimethylacrylamide and acrylonitrile, the polymer P1 being subjected to a reaction Re to form a polymer P2, the reaction Re including adding and dissolving the solid polymer P1 particles in an aqueous solution M1 of: (i) an alkaline hydroxide and/or an alkaline-earth hydroxide, (ii) an alkaline hypohalide and/or an alkaline-earth hypohalide, prior to a reaction time of 10 seconds to 5 hours.
The present invention relates to a method for manufacturing a sheet of paper or cardboard from a fibrous suspension, comprising the following steps: a) injecting a polymer P2 into a suspension of cellulose fibres; b) forming a sheet of paper or cardboard; and c) drying the sheet of paper or cardboard, the polymer P2 being prepared, prior to step a), from a water-soluble polymer P1 in the form of an invert emulsion, P1 consisting of at least one non-ionic monomer selected from acrylamide, methacrylamide, N,N-dimethylacrylamide and acrylonitrile, the polymer P1 being subjected to a reaction Re to give a polymer P2, the reaction Re consisting of adding the polymer P1 in the form of an invert emulsion in an aqueous solution M1 of: (i) an alkali hydroxide and/or an alkaline earth hydroxide, (ii) an alkali hypohalide and/or an alkaline earth hypohalide before a reaction time of 10 seconds to 5 hours.
The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/−0.1°). The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
The present invention relates to a process for manufacturing a sheet of paper or cardboard from a fibrous suspension, comprising the following steps: a) injecting a polymer P3 into a suspension of cellulose fibres; b) forming a sheet of paper or cardboard; c) drying the sheet of paper or cardboard, the polymer P3 being prepared, prior to step a), from a water-soluble polymer P1 of at least one non-ionic monomer chosen from acrylamide, methacrylamide, N,N-dimethylacrylamide and acrylonitrile, the polymer P1 undergoing a reaction Re1 in order to give a polymer P2, which then undergoes a reaction Re2 to give the polymer P3, which is injected into the fibrous suspension within 24 hours of the start of the reaction Re1; - the reaction Re1 consisting in preparing a polymer P2 comprising isocyanate functions by reaction for 10 seconds to 60 minutes between (i) an alkali metal hydroxide and/or an alkaline-earth hydroxide, (ii) an alkali metal hypohalide and/or an alkaline-earth hypohalide and (iii) the polymer P1; - the reaction Re2 consisting in preparing a polymer P3 by reaction between (iv) a compound comprising at least one aldehyde function or a compound able to generate at least one aldehyde function and (v) the polymer P2 comprising isocyanate functions.
The present invention relates to a method for inerting clays in hydraulic compositions intended for construction, said method comprising a step of adding to the hydraulic composition or to one of the constituents thereof at least one clay-inerting agent, characterised in that the clay-inerting agent is a water-soluble polymer comprising acrylamide and/or vinylamine and/or vinylformamide monomer units, and optionally monomer units of a chemical nature different from the abovementioned chemical natures, and characterised in that its weight-average molecular weight is between Mw L and Mw H.
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 111/10 - Compositions characterised by the absence of a specified material
The present invention relates to a multi-phase suspension of at least one synthetic water-soluble polymer having a weight-average molecular weight greater than or equal to 1 million daltons. The present invention also relates to the use of said multi-phase suspension in industrial water treatment, municipal water treatment, enhanced oil recovery in deposits, hydraulic fracturing, mining effluent treatment, civil engineering drilling operations, oil drilling operations, gas drilling operations, paper or cardboard sheet manufacturing, agriculture, textiles, detergents or cosmetics.
C08L 33/26 - Homopolymers or copolymers of acrylamide or methacrylamide
C08J 3/11 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids from solid polymers
A composition for preparing an injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising cationic monomer units, and solid particles of a water-soluble polymer B comprising cationic monomer units, and wherein water-soluble polymer A comprises between 10 and 40 mol% of a cationic monomer units based on the total amount of monomer units; and wherein the cationicity in mol% of polymer A is superior or equal to the cationicity in mol% of polymer B. Method of treating a portion of subterranean formation comprising providing said composition, preparing an injection fluid with at least said composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/22 - Use of chemicals or bacterial activity
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
25.
MACROMONOMER, METHOD FOR OBTAINING SAME AND COPOLYMER CONTAINING SAME
The present invention relates to an LCST macromonomer, obtained by reaction between an LCST telomer and a compound containing a carbon-carbon double bond. The invention also relates to an LCST copolymer, obtained by reaction between the LCST macromonomer and a water-soluble monomer.
C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
C08F 265/10 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of amides or imides
C08F 8/00 - Chemical modification by after-treatment
26.
POLYMER OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID OR THE SALTS THEREOF
The present invention relates to a polymer obtained at least from a quantity A of 2-acrylamido-2-methylpropane sulfonic acid, in acid and/or salified form, characterised in that the quantity A of 2-acrylamido-2-methylpropane sulfonic acid contains 250 to 20,000 ppm by weight of 2-methyl-2-propenyl-sulfonic acid, in acid and/or salified form. The present invention also relates to the use of this polymer as a flocculant, viscosity reducing agent, thickener, absorbent, friction reducing agent or plasticiser or superplasticiser, in particular in a field chosen from among oil and gas recovery, water treatment, sludge treatment, paper manufacture, construction, mining, cosmetic product formulation, detergent formulation, textile manufacture and agriculture.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
D21H 17/37 - Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
27.
USE, IN AQUEOUS-ALCOHOLIC COMPOSITIONS, OF A COPOLYMER OBTAINED BY PRECIPITATION POLYMERIZATION
The present invention relates to the use, for the manufacture of an aqueous-alcoholic composition comprising at least water and at least one alcohol, of a branched or crosslinked copolymer obtained from: (i) 20 mol% to 94.99 mol% of at least one monomer comprising an acrylic group and bearing at least one weak acid function, (ii) 5 mol% to 79.99 mol% of at least one monomer bearing of at least one strong acid function, (iii) 0.01 mol% to 4 mol% of a crosslinking/branching agent, said copolymer being obtained by precipitation polymerization, in a solvent comprising at least one alcohol.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 17/00 - Barrier preparationsPreparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
(C)(C) = Δ600/C, Δ600 being the slope to reach 90% of the viscosity developed by the aqueous solution A at 600 seconds at 25°C, obtained from the viscosity curve of the aqueous solution A as a function of time, at the given concentration C, at 25°C, - adding the aqueous solution A to the fibrous suspension, at one or more injection points, - forming a sheet of paper or cardboard.
The present invention relates to a crosslinked copolymer obtained by precipitation polymerization of at least one monomer comprising at least one carboxylic acid function, at least one hydrophobic monomer, and at least one crosslinking agent. The copolymer is mainly characterized in that 30 mol% to 90 mol% of the carboxylic acid functions are in salified form prior to the precipitation polymerization, the solvent used for the precipitation polymerization comprises at least one alcohol comprising from 1 to 4 carbon atoms, and the copolymer is obtained in the absence of water-soluble non-ionic monomers.
This invention relates to a process of enhanced oil recovery by sweeping an underground formation comprising injecting into the underground formation an injection fluid comprising at least one water-soluble LCST macromonomeric polymer.
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
31.
METHOD FOR ENHANCED OIL RECOVERY IN A SUBTERRANEAN CARBONATE FORMATION
The present invention relates to a method for enhanced oil recovery in a subterranean carbonate formation, the method comprising injecting an aqueous composition comprising at least one water-soluble polymer containing acrylamidopropyl trimethylammonium chloride (APTAC).
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
The invention relates to an inverse polymer emulsion having the particular feature of auto-inverting without any need for the use of an inverting agent and containing a polymer of at least one water-soluble monomer and at least one LCST macromonomer. The invention also relates to the use of the inverse emulsion in the fields of the oil and gas industry, water treatment, slurry treatment, paper manufacturing, construction, mining, cosmetics, textiles, detergents or agriculture.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
C09K 8/60 - Compositions for stimulating production by acting on the underground formation
C08F 226/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
A composition for preparing an injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising cationic monomer units, and solid particles of a water-soluble polymer B comprising cationic monomer units, and wherein water-soluble polymer A comprises between 10 and 40 mol % of a cationic monomer units based on the total amount of monomer units; and wherein the cationicity in mol % of polymer A is superior or equal to the cationicity in mol % of polymer B. Method of treating a portion of subterranean formation comprising providing said composition, preparing an injection fluid with at least said composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
The invention relates to a water-soluble branched sulfonated amphoteric polymer, for a water- based drilling fluid, wherein the polymer is obtained by precipitation polymerization, in a mixture of polar solvents, of at least one N,N'-dialkylacrylamide monomer and one sulfonic acid-containing monomer, in the presence of tetraallylammonium halide as branching agent. The invention also relates to a water-based drilling fluid for subterranean boreholes, including: - an aqueous fluid, said aqueous fluid being selected from sea water, brine, or salt-containing aqueous solution, - between 0.1 and 5.0 weight percent of the water-soluble branched sulfonated amphoteric polymer described above.
Process for preparing water-soluble polymers in powder form by polymerization of water- soluble monoethylenically unsaturated monomers comprising the successive steps: a) Spraying on the inner wall of a polymerization vessel, the lubricant composition LC1: alkyl oleate / polyoxyethylene oleyl ether phosphate / sorbitan monolaurate, b) Polymerizing in aqueous solution in the presence of polymerization initiators at least one water-soluble monounsaturated ethylenic monomer, c) Discharging the polymer gel, d) Granulating the polymer gel thus obtained in a granulator, in presence of a lubricant composition LC2: alkyl oleate / polyxoy ethylene oleyl ether phosphate / sorbitan monolaurate, e) Drying the polymer gel to obtain a polymer in powder form, f) Grinding and sifting the powder.
The present invention relates to a polymer complex obtained by inverse emulsion polymerization of water-soluble monomers in the presence of a cationic water-soluble host polymer comprising amine functions.
Une formulation de floculation comprenant au moins un agent de floculation, ledit agent étant un copolymère préparé à partir d'au moins un monomère non ionique et d'au moins un monomère anionique; au moins un tensioactif choisi dans le groupe constitué par les esters d'acide gras, et au moins un composé de formule (l) Où R1 = H ou un radical carboné, saturé ou insaturé, linéaire, ramifié, aromatique ou cyclique, comprenant X atomes de carbone, X étant compris entre 3 et 20, R2 est un radical carboné, saturé ou insaturé, linéaire, ramifié, aromatique ou cyclique, comprenant Y atomes de carbone, Y étant compris entre 3 et 20, et X + Y = 6 à 30. Un procédé de préparation de la formulation, un procédé de traitement d'un effluent aqueux de particules solides à l'aide de ladite formulation, et une utilisation de ladite formulation pour traiter un effluent aqueux de particules solides.
The present invention relates to a transparent composition comprising at least one amphoteric water-soluble polymer which comprises: - units A of a cationic monomer chosen from: acidified or quaternised salts of dimethylaminoethyl acrylate, acidified or quaternised salts of dimethylaminoethyl methacrylate, acidified or quaternised salts of dimethylaminopropyl acrylamide, and acidified or quaternised salts of dimethylaminopropyl methacrylamide, and mixtures thereof; - units B of 2-acrylamido-2-methylpropane sulphonic acid and/or the salts thereof; and - optionally units C of acrylamide, characterised in that the molar ratio between the units A of cationic monomer and the units B of 2-acrylamido-2-methylpropane sulphonic acid and/or the salts thereof is between 0.4 and 1.4.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
C08F 28/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
C08F 228/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
41.
CROSSLINKED POLYMER LATEX AND LOW-PH TRANSPARENT AQUEOUS COMPOSITION FOR HAIR OR SKIN CARE
The present invention relates to a latex comprising a crosslinked polymer, the polymer comprising 20 to 45 wt% of (meth)acrylic acid monomer units, 35 to 78 wt% of methylacrylate and/or ethylacrylate monomer units, 0 to 30 wt% of monomer units of at least one linear alkyl acrylate comprising 3 to 9 carbon atoms, characterised in that the polymer is crosslinked with N-methylenebisacrylamide. The latex according to the invention helps thicken a composition for hair and/or skin care having a pH of between 3.5 and 5.5.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
The invention relates to a novel sulfobetaine monomer and to a process for the preparation thereof, advantageously by reaction between a vinyl-amine compound and a vinyl-sulfonic acid compound, preferably in the presence of a solubilizing agent. The invention also relates to the (co)polymers obtained from this novel type of sulfobetaine monomer, and to the use thereof, for example as a flocculant, dispersing agent, thickening agent, absorbent agent or friction reducing agent.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C08F 28/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
C08F 220/46 - Acrylonitrile with carboxylic acids, sulfonic acids or salts thereof
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
Process for the production of anionic water-soluble polymer obtained by the polymerization of acrylic acid and acrylamide obtained by biocatalysed reaction, said process comprising the steps of preparing a diluted solution of acrylic acid by mixing acrylic acid and water wherein the mass ratio between acrylic acid and water is comprised between 95:5 and 70:30, preparing a diluted solution of bioacrylamide and water wherein the mass ratio between bioacrylamide and water is comprised between 60:40 and 10:90, mixing said diluted solution of acrylic acid with said diluted solution of bioacrylamide, neutralizing partially or totally the acid function of acrylic acid and polymerizing the resulting mixture.
The present invention relates to a method for preparing an inverse emulsion, comprising a step of mixing an aqueous solution comprising a water-soluble (co)polymer A synthesised from at least one cationic monomer and an inverse emulsion EMI 2 comprising a water-soluble (co)polymer B synthesised from at least one cationic monomer, followed, where applicable, by a distillation step. The present invention also relates to the inverse emulsion obtained in this manner, a detergent or cosmetic or softening composition comprising such an inverse emulsion, and the use of such an inverse emulsion for improving the softening properties of a softening composition for textiles.
C08J 3/00 - Processes of treating or compounding macromolecular substances
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
C08L 33/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
C08L 33/24 - Homopolymers or copolymers of amides or imides
C08L 39/02 - Homopolymers or copolymers of vinylamine
C08L 39/04 - Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
C11D 1/00 - Detergent compositions based essentially on surface-active compoundsUse of these compounds as a detergent
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
The invention relates to a composition for preparing injection fluid in oil and gas recovery comprising an inverse emulsion of an associative water-soluble polymer A comprising at least one hydrophobic monomer or hydrophobic macromonomer, and solid particles of a water- soluble polymer B, said polymer B being preferably associative. The invention also relates to a method of treating a portion of subterranean formation comprising providing the composition, preparing an injection fluid with at least the composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
The present invention relates to a complex of polymers and to the use thereof in a method of making paper, cardboard or the like. This complex of polymers is obtained by polymerizing water-soluble monomers: in the presence of a host polymer that comprises vinylamine functions and of a non-polymeric transfer agent, and in the absence of a branching or crosslinking agent of the ethylenic polyfunctional type. It is obtained as from a mass ratio of anionic monomer to water that is greater than 0.035.
ABRÉGÉ Une émulsion inverse eau dans huile comprenant une huile, de l'eau, un polymère anionique hydrosoluble de masse moléculaire moyenne supérieure à 3 millions de daltons, contenant entre 4 et 14 mol% de monomères anioniques sulfonés, entre 0 et 17 mol% de monomères anioniques carboxyles et entre 69 et 94 mol % de monomères non ioniques, un agent d'inversion et un agent émulsifiant, le rapport massique R de la quantité totale d'agent d'inversion à la quantité totale d'agent émulsifiant étant supérieur à 1,8, l'agent d'inversion étant choisi parmi un nonylphénol éthoxylé, ayant entre 4 et 10 éthoxylations; un alcool éthoxylé/propoxylé, ayant des éthoxylations/propoxylations de façon à avoir un nombre total de carbone compris entre C12 et C25, un alcool tridécylique éthoxylé et un alcool gras éthoxylé/propoxylé, l'agent émulsifiant étant choisi parmi le monooléate de sorbitan, les esters de sorbitan polyethoxylés ou la diéthanolamide des acides gras de l'huile de tall. Date Reçue/Date Received 2020-1 0-2 1
The present invention concerns a method for manufacturing a sheet of paper or cardboard, according to which, before forming said sheet, at least one N-vinylformamide polymer that is partially hydrolysed in the form of an inverse emulsion is added, at one or more injection points, to a fibrous suspension in the presence of an anti-gelling agent, and having a cationic regain between 30 and 150%, the inverse emulsion having a weight ratio of partially hydrolysed N-vinylformamide polymer to anti-gelling agent in the range between 1,000,000/5000 and 1,000,000/50,000.
HH greater than 0.4, wherein the method comprises the following successive steps: a) Preparing a polymer, in the form of a gel, by radical polymerisation in an aqueous solution at an initiation temperature of between -20°C and +50°C of at least one water-soluble, monounsaturated ethylenic monomer, the total weight concentration of monomer(s), relative to the polymerisation feedstock, being between 10 and 60%; b) Granulating the polymer gel thus obtained; c) Drying the polymer gel so as to obtain a polymer in powder form; d) Milling and sieving the powder; at least 10% by weight of water-soluble polymer, relative to the total weight of the water-soluble, monounsaturated ethylenic monomer(s) used in step a), being added during the polymerisation step a) and optionally during the granulation step b), the water-soluble polymer being structured and added in the form of a water-in-oil invert emulsion or of a dispersion in oil.
A method for spraying a mixture comprising at least a first liquid in the form of a liquid preparation of water-soluble or water-swellable polymers and at least a second liquid, characterized in that it implements a nozzle for simultaneously spraying at least two liquids, comprising: •a body provided with a first chamber within which a first liquid flows and a second chamber within which a second liquid flows, each of the two chambers having a through-hole on the outside of the body, •a deflector secured to the body arranged downstream from at least one of the through-holes, in the direction of flow of the first and second liquids, said deflector being capable of modifying the direction of flow of the first and second liquids. The invention also relates to a nozzle for implementing the method.
B05B 7/08 - Spray pistolsApparatus for discharge with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets
B05B 1/26 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectorsBreaking-up the discharged liquid or other fluent material by impinging jets
51.
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid
The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/− 0.1°.
The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
The present invention relates to a continuous process for filtering a suspension of 2-acrylamido-2-methylpropane sulfonic acid crystals by means of a pressurized rotary filter. The invention also relates to the polymers obtained with 2-acrylamido-2-methylpropane sulfonic acid obtained according to the filtration process and to the use thereof, in particular as a flocculant, a dispersant, a thickening agent, an absorbent agent or a friction-reducing agent.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
The invention relates to a composition for preparing injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising acrylamide monomer units, and solid particles of a water-soluble polymer, wherein water-soluble polymer B is obtained by a polymerization step of at least acrylamide and 1 and 15 mol% of acrylamido tertiary butyl sulfonic acid (ATBS), and/or salts thereof, and a subsequent post treatment step of the resulting polymer. The invention also relates to a method of treating a portion of subterranean formation comprising providing the composition, preparing an injection fluid with at least the composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
The present application relates to a water-in-oil reverse emulsion comprising - an oil; - water; - at least one water-soluble cationic copolymer with an average molar mass of more than 3 million daltons, containing between 18 and 32 mol% of cationic monomers and 68 and 82 mol% of non-ionic monomers; - at least one inversion agent and at least one emulsifier, the weight ratio R of the total amount of inversion agent to the total amount of emulsifier being greater than 1.8, - the inversion agent being chosen from an ethoxylated nonylphenol, preferably having between 4 and 10 ethoxylations; an ethoxylated/propoxylated alcohol, preferably having ethoxylations/propoxylations so as to have a total carbon number between C12 and C25, an ethoxylated tridecyl alcohol and an ethoxylated/propoxylated fatty alcohol; - the emulsifying agent being chosen from sorbitan monooleate, polyethoxylated sorbitan esters or diethanolamide of tall oil fatty acids, and the use thereof in hydraulic fracturing.
The invention relates to an aqueous cosmetic composition for hair care and maintenance, comprising at least one setting resin, said resin comprising at least 20 mol% of a monomeric unit of methacrylic acid and/or one of the salts thereof; and optionally at least one monomeric unit of acrylic acid and/or maleic anhydride, and/or one of the salts thereof, the resin having a weight-average molecular weight greater than or equal to 20,000 g/mol. The invention also relates to the use of the setting resin to improve the resistance of these cosmetic compositions to moisture.
A61Q 5/06 - Preparations for styling the hair, e.g. by temporary shaping or colouring
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
The present application relates to a water-in-oil reverse emulsion comprising - an oil; - water; - at least one water-soluble cationic copolymer with an average molar mass of more than 3 million daltons, containing between 18 and 32 mol% of cationic monomers and 68 and 82 mol% of non-ionic monomers; - at least one inversion agent and at least one emulsifier, the weight ratio R of the total amount of inversion agent to the total amount of emulsifier being greater than 1.8, - the inversion agent being chosen from an ethoxylated nonylphenol, preferably having between 4 and 10 ethoxylations; an ethoxylated/propoxylated alcohol, preferably having ethoxylations/propoxylations so as to have a total carbon number between C12 and C25, an ethoxylated tridecyl alcohol and an ethoxylated/propoxylated fatty alcohol; - the emulsifying agent being chosen from sorbitan monooleate, polyethoxylated sorbitan esters or diethanolamide of tall oil fatty acids, and the use thereof in hydraulic fracturing.
The invention relates to a method for treating the surface of paper, and/or at least one of the layers thereof, which comprises the following consecutive steps: i) supplying an aqueous suspension S of polysaccharide, ii) supplying an aqueous dispersion D comprising (a) particles of at least one anionic water-swellable polymer P and (b) at least one compound selected from a mineral salt, an organic salt, an organic dispersing polymer and the mixtures thereof, iii) mixing the suspension S and the dispersion D, to obtain a mixture M, and iv) applying the mixture M to the surface of the paper and/or of the layers thereof.
The invention relates to a method for treating the surface of paper, and/or at least one of the layers thereof, which comprises the following consecutive steps: i) supplying an aqueous suspension S of polysaccharide, ii) supplying an aqueous dispersion D comprising (a) particles of at least one anionic water-swellable polymer P and (b) at least one compound selected from a mineral salt, an organic salt, an organic dispersing polymer and the mixtures thereof, iii) mixing the suspension S and the dispersion D, to obtain a mixture M, and iv) applying the mixture M to the surface of the paper and/or of the layers thereof.
The invention relates to a water-soluble branched sulfonated amphoteric polymer, for a water-based drilling fluid, wherein the polymer is obtained by precipitation polymerization, in a mixture of polar solvents, of at least one N,N′-dialkylacrylamide monomer and one sulfonic acid-containing monomer, in the presence of tetraallylammonium halide as branching agent.
between 0.1 and 5.0 weight percent of the water-soluble branched sulfonated amphoteric polymer described above.
The invention relates to a method for modifying the water permeability of a subterranean formation, comprising at least the following steps: - preparing an injection fluid from a dispersion of a hydrophilic phase in a lipophilic phase, with water or brine, the dispersion comprising: - a hydrophilic phase comprising at least one cross-linked (co)polymer PR, - a lipophilic phase, - at least one interface polymer composed of at least one monomer of formula (I): - injecting the injection fluid into the subterranean formation, said cross-linked (co)polymer PR forming a hydrogel in the presence of water.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C08F 16/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
61.
METHOD FOR MODIFYING THE WATER PERMEABILITY OF A SUBTERRANEAN FORMATION
The present invention relates to a method for modifying the water permeability of a subterranean formation which comprises oil, said method comprising at least the following steps: - preparing an injection fluid from a dispersion of a hydrophilic phase in a lipophilic phase, with water or brine, the dispersion comprising: - a hydrophilic phase comprising at least one linear (co)polymer E, - a lipophilic phase, - at least one interface polymer composed of at least one monomer of formula (I): - injecting the injection fluid into the subterranean formation, comprising a linear (co)polymer E concentration, such that when released and in contact with water, the viscosity of the injection fluid is greater than the viscosity of the oil in the formation.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C08F 16/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
62.
METHOD FOR TREATING SUSPENSIONS OF SOLID PARTICLES IN WATER USING AMPHOTERIC POLYMERS
The present invention relates to a method for treating an aqueous effluent having solid particles, comprising the addition to the effluent of at least one water-soluble polymer comprising at least one non-ionic monomer and at least one anionic monomer obtained by controlled radical polymerization, said polymer having a UL viscosity of between 2 and 4.5 cps.
The present invention relates to a method for treating an aqueous effluent having solid particles, comprising the addition to the effluent of at least one water-soluble polymer comprising at least one non-ionic monomer and at least one anionic monomer obtained by controlled radical polymerization, said polymer having a UL viscosity of between 2 and 4.5 cps.
The present invention relates to a method for enhanced oil recovery by scanning an underground formation, comprising injecting an injection fluid into the underground formation, said injection fluid containing at least one water-soluble polymer with LCST macromonomers.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C08F 2/32 - Polymerisation in water-in-oil emulsions
65.
METHOD FOR SYNTHESISING POLYMERS BY CONTROLLED-RADICAL INVERSE EMULSION POLYMERISATION
The present invention concerns a method for preparing a polymer by inverse emulsion polymerisation comprising the following steps: a) Preparing an aqueous phase comprising at least one water-soluble monomer and at least one water-soluble precursor of formula (I): formula (I) b) Preparing an organic phase comprising a lipophilic solvent and at least one water-in-oil surfactant, c) Mixing the aqueous phase and the organic phase by stirring in order to form an inverse emulsion, d) Once the inverse emulsion is formed, adding a radical polymerisation initiator to the inverse emulsion, and obtaining a polymer by polymerisation of the at least one water-soluble monomer.
The invention relates to an inverse polymer emulsion having the particular feature of auto-inverting without any need for the use of an inverting agent and containing a polymer of at least one hydrosoluble monomer and at least one LCST macromonomer. The invention also relates to the use of the inverse emulsion in the fields of the oil and gas industry, water treatment, slurry treatment, paper manufacturing, construction, mining, cosmetics, textiles, detergents or agriculture.
The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslinked polymer, characterized in that the polymer is crosslinked with at least one crosslinking agent capable of being degraded under the temperature conditions of the underground formation, and a content of crosslinking agent between 1 and 90 ppm per mole with respect to the total number of moles of monomer constituting the polymer.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C09K 8/92 - Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
69.
Method for treating a suspension of solid particles in water using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid
The present invention relates to a method for the treatment of a suspension of solid particles in water using water-soluble (co)polymers made from the hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid or of at least one of the salts thereof. This method is particularly useful for treating residues resulting from the mining industry.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
C07C 309/21 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic unsaturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
71.
Fracturing fluid comprising a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulphonic acid and hydraulic fracturing method
The present invention relates to a fracturation fluid comprising at least one propping agent and at least one water-soluble (co)polymer prepared from the hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid and/or at least one of its salts. The invention relates to a process to prepare said fluid, and to a hydraulic fracturation process using said fluid.
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
Method of treating a portion of subterranean formation, comprising - providing a water in oil emulsion of a water-soluble polymer, said emulsion comprising at least an inverting agent, and at least an emulsifying agent, wherein the mass ratio R of the total amount of inverting agent to the total amount of emulsifying agent is superior to 1.2; - inverting the water in oil emulsion by adding it into an aqueous fluid to form an injection fluid; - introducing the injection fluid into portion of the subterranean formation.
The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/−0.1°).
The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
C02F 11/147 - Treatment of sludgeDevices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
C07C 303/20 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by addition of sulfurous acid or salts thereof to compounds having carbon-to-carbon multiple bonds
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
The disclosure relates to a method for quantitatively measuring concentration in an aqueous solution of a water soluble polymer that is functionalized with at least one tracer, wherein the method involves impregnating a flow assay with a test area, introducing the flow assay into a test reader, and using the test reader to compare test data to a calibration curve so as to determine the concentration of the water-soluble polymer. This method allows the determination of residuals concentration in aqueous solution recovered from different industries, including oil and gas produced water, mining fluids, industrial water systems, and water treatment applications.
The present invention relates to a method for stabilizing sandy soils, comprising the application in one go, to the surface of the sandy soil, of 0.5 to 5 l.m-222C=CR1R2in which R1is a hydrogen atom or a methyl group and R2 is a hydrocarbon-based group containing at least one pendent OH group and optionally at least one heteroatom N or O in the hydrocarbon-based chain; R2 being different to the group C(=O)-OH, the other monomers being non-ionic and/or anionic and/or cationic monomers different to the monomer of formula (I).
Provided is a composition for preparing injection fluid in oil and gas recovery comprising an inverse emulsion of a water-soluble polymer A comprising acrylamide monomer units, and solid particles of a water-soluble polymer, wherein water-soluble polymer B is obtained by a polymerization step of at least acrylamide and 1 and 15 mol % of acrylamido tertiary butyl sulfonic acid (ATBS), and/or salts thereof, and a subsequent post treatment step of the resulting polymer. Also provided is a method of treating a portion of subterranean formation comprising providing the composition, preparing an injection fluid with at least the composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
A device for dispersing a water-soluble polymer includes a primary water inlet circuit that feeds an overflow, at the bottom end of the cone, an assembly including a chamber for grinding and draining the dispersed polymer, having a rotor driven by a motor provided with knives, a stator, over all or part of the periphery of the chamber, a ring fed by a secondary water circuit, the ring communicating with the chamber by way of slots for spraying pressurized water onto the stator The slots of the stator and/or the knives of the rotor are tilted at an angle of between 20° and 80° relative to the horizontal plane of the stator and the lateral face of the blade next to the stator is curved in such a way as to make the distance separating the two components substantially constant.
B01F 13/10 - Mixing plant, including combinations of dissimilar mixers
B02C 18/08 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives within vertical containers
The present invention relates to a complex of polymers and the use thereof in a process for producing paper, cardboard or the like. This complex of polymers is obtained by polymerization of water-soluble monomers: in the presence of a host polymer comprising vinylamine functions and of a non-polymeric transfer agent, and in the absence of branching or crosslinking agent of ethylenic polyfunctional type. It is obtained from a weight ratio of anionic monomer/water of greater than 0.035.
An apparatus for controlling the injection pressure of an aqueous polymeric solution in an oil well is formed by: at least one pressure modulation valve, allowing, per valve, a maximum pressure loss of 5 bars practically without any mechanical deterioration, the one or more valves being connected in line with; a tube containing vortex modules, each creating a maximum pressure loss of 5 bars, practically without any mechanical deterioration, a vortex module being a section of tube, which is closed at one of its ends by a cap perforated with a hole, and which can be inserted into the detachable tube. The purpose of the apparatus is the ability to reduce the pressure to 100 bars with total mechanical deterioration of less than 10%. A method for using the apparatus is also contemplated.
The present invention relates to an aqueous multiphase particulate suspension comprising a water-soluble polymer and to an enhanced oil recovery method using said suspension. The invention further relates to the use of the multiphase suspension in a drilling, hydraulic fracturing and mining effluent treatment operation.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C02F 1/52 - Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
The invention relates to a method for producing anionic polymers that are hydrosoluble in an aqueous solution, comprising at least the following successive steps: b) polymerisation, in an aqueous solution, of anionic monomers containing at least 5 mol % of 2-acrylamido-2-methylpropane sulfonic acid and/or one of the salts thereof and optionally non-ionic monomers up to a mass concentration of polymer A of between 5 and 40 %, b) addition of at least one aldehyde into the solution produced in step a), and c) acidification to a pH of between 3 and 4 of the solution produced in step b). The invention also relates to the use thereof in a paper-making method.
The invention relates to a method for producing anionic polymers that are hydrosoluble in an aqueous solution, comprising at least the following successive steps: b) polymerisation, in an aqueous solution, of anionic monomers containing at least 5 mol % of 2-acrylamido-2-methylpropane sulfonic acid and/or one of the salts thereof and optionally non-ionic monomers up to a mass concentration of polymer A of between 5 and 40 %, b) addition of at least one aldehyde into the solution produced in step a), and c) acidification to a pH of between 3 and 4 of the solution produced in step b). The invention also relates to the use thereof in a paper-making method.
C02F 1/24 - Treatment of water, waste water, or sewage by flotation
C02F 1/72 - Treatment of water, waste water, or sewage by oxidation
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
86.
Use of an ampholyte copolymer as colloidal stabilizer in a process of encapsulating fragrance
and wherein the ampholyte copolymer has more cationic charges than anionic charges, wherein the cationic charges of the ampholyte copolymer are exclusively due to the at least one quaternary ammonium group of the cationic monomer.
A61L 9/04 - Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
METHOD FOR PREPARING A COMPOSITION COMPRISING A HYDROSOLUBLE (CO)POLYMER ENCAPSULATED IN A SHELL AND USE OF THIS COMPOSITION IN ASSISTED OIL AND GAS RECOVERY
The invention concerns a method for preparing a dispersion of a hydrophilic phase in a lipophilic phase, comprising: - a hydrophilic phase comprising at least one hydrosoluble (co)polymer, - a lipophilic phase, - at least one interface polymer consisting of at least one monomer of formula (I): Formula (I) in which, - R1, R2, R3 are separately a hydrogen atom, a methyl group, a carboxylate group and Z-X, - Z is chosen from the group comprising C(=O)-O; C(=O)-NH; O- C(=O); NH-C(=O)-NH; NH-C(=O)-O; and a saturated or unsaturated, substituted or unsubstituted carbon chain comprising 1 to 20 carbon atoms capable of comprising one or more heteroatoms chosen from nitrogen and oxygen, - X is a group chosen from the alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides; and comprising a saturated or unsaturated, linear, branched or cyclic, optionally aromatic, hydrocarbon chain.
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C08F 16/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
88.
Treatment of production water from oil fields using chemically assisted recovery
Treatment equipment for production water for a polymer-assisted oil recovery operation comprising at least two nutshell filters in series, where the first filter recovers the majority the oil and the second serves as a finisher.
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
(b) at least one water-soluble amphoteric polymer P2 of at least one anionic monomer and of at least one cationic monomer.
dispersion polymerization.
A and C corresponding respectively to the molar percentages of the anionic and cationic monomers of the polymer P2.
The invention concerns the treatment of mine tailings in the form of aqueous effluents comprising solid particles. With the method of the invention it is possible to separate all or part of the water from an aqueous effluent comprising solid particles. This method comprises (a) adding at least one sulfonated dispersing agent to the effluent, then (b) adding at least one agent to flocculate the solid particles.
The invention also relates to a composition comprising an aqueous effluent comprising dispersed, flocculated solid particles. Preferably it relates to a composition comprising an aqueous effluent comprising solid particles, at least one sulfonated dispersing agent and at least one agent to flocculate solid particles.
The present invention concerns a method for determining the concentration of cationic polymers present in a sample, according to the following steps: - bringing the cationic polymer or polymers present in the sample into contact with, and enabling the interaction thereof with, a developer solution comprising lanthanide (III) ions and at least one bonding agent, and - exciting the sample at an excitation wavelength λexc and detecting, by time-resolved photoluminescence, a signal originating from the lanthanide (III) ions having interacted with the at least one bonding agent having previously interacted with the cationic polymer or polymers, at an emission wavelength λem, and - determining the cationic polymer concentration of the sample by using the signal detected at the emission wavelength λem, the sample originating from water originating from municipal or industrial water or sludge treatment processes.
G01N 33/542 - ImmunoassayBiospecific binding assayMaterials therefor with immune complex formed in liquid phase with steric inhibition or signal modification, e.g. fluorescent quenching
G01N 33/58 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving labelled substances
92.
CRYSTALLINE FORM HYDRATED WITH 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID
The present invention relates to a crystalline form hydrated with 2-acrylamido-2-methylpropane sulphonic acid having an x-ray diffraction pattern on powder comprising spikes at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° 2-theta degrees (+/- 0.1°). The present invention further relates to a method for manufacturing this form of 2-acrylamido-2-methylpropane sulphonic acid, as well as to a method for preparing an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulphonic acid and the (co)polymer of this form of 2-acrylamido-2-methylpropane sulphonic acid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
93.
ENHANCED OIL RECOVERY METHOD USING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
An enhanced oil recovery method comprising the following steps: a) Preparing an injection fluid comprising at least one water-soluble (co)polymer prepared at least from 2-acrylamido-2-methylpropane sulfonic acid (ATBS) or at least one of the salts of same, with water or with brine, the 2-acrylamido-2-methylpropane sulfonic acid being a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having an X-ray powder diffraction pattern with peaks at 2-theta angles 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04°, b) Injecting the injection fluid into an underground formation, c) Flushing the underground formation by means of the injected fluid, d) Recovering an aqueous and hydrocarbon mixture.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
94.
NOZZLE FOR SPRAYING LIQUID POLYMER PREPARATIONS AND SPRAYING METHOD UTILISING THE NOZZLE
A method for spraying a mixture comprising at least a first liquid in the form of a liquid preparation of water-soluble or water-swellable polymers and at least a second liquid, characterised in that it utilises a nozzle (1) for simultaneously spraying the at least two liquids, comprising: • a body provided with a first chamber (2) in which a first liquid flows and a second chamber (3) in which a second liquid flows, each of the two chambers having a through-hole (4, 5) opening on the outside of the body, • a deflector (6) secured to the body arranged downstream from at least one of the through-holes (4, 5), opening in the direction of flow of the first and second liquids, said deflector being capable of modifying the direction of flow of the first and second liquids. The invention also relates to a nozzle for implementing the method.
B05B 7/08 - Spray pistolsApparatus for discharge with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets
A01C 23/00 - Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
C05G 3/00 - Mixtures of one or more fertilisers with additives not having a specifically fertilising activity
C09K 17/00 - Soil-conditioning materials or soil-stabilising materials
B05B 1/26 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectorsBreaking-up the discharged liquid or other fluent material by impinging jets
95.
NEW METHOD FOR PRODUCING 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID
The present invention relates to a method for producing 2-acrylamido-2-methylpropane sulphonic acid comprising at least the following successive steps: 1) mixing acrylonitrile with at least one SO3 delivery compound at a temperature of between -80 and 30°C, 2) bringing into contact and mixing isobutylene and the sulphonating mixture with an SO3:isobutylene molar ratio10 of between 0.2:1 and 2:1 and an acrylonitrile:isobutylene molar ratio of between 3:1 and 60:1, at a temperature of between -40 and 100°C, 3) solid/liquid separation of the reaction mixture and isolation of solid particles in the form of a composition 1.15 4) mixing composition 1 at the end of step 3) with an aqueous solution A at a temperature of between -20 and 70°C in order to produce a suspension 1 of 2-acrylamido-2-methylpropane sulphonic acid crystals, 5) solid/liquid separation of the suspension 1 and isolation of the crystals in the form of a composition 2.20.
C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
96.
METHOD FOR TREATING A SUSPENSION OF SOLID PARTICLES IN WATER USING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANESULFONIC ACID
The invention relates to a method for treating a suspension of solid particles in water using hydrosoluble (co)polymers prepared from the hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid or at least one of the salts thereof. This method is particularly useful for the treatment of mining residues.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
97.
FRACTURING FLUID COMPRISING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND HYDRAULIC FRACTURING METHOD
The present invention relates to a fracturing fluid comprising at least one support agent and at least one hydrosoluble (co)polymer prepared from the hydrated crystalline form of 2-acrylamido-2-methylpropane sulphonic acid and/or from at least one of its salts. The invention further relates to a method for preparing said fluid, as well as to a hydraulic fracturing method using said fluid.
C07C 309/15 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
98.
Method for treating suspensions of solid particles in water using amphoteric polymers
at least one cationic monomer representing between 0.2 and 6 mol %, selected from the group consisting of diallyl dimethylammonium chloride, methacrylamidopropyltrimethylammonium chloride and acrylamidopropyltrimethylammonium chloride; adding said soluble polymer into the water having the aqueous suspension of solid particles. This method is particularly useful for treating residues resulting from the extraction of bituminous sand.
B01D 21/01 - Separation of suspended solid particles from liquids by sedimentation using flocculating agents
C10G 1/04 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
C02F 103/12 - Nature of the water, waste water, sewage or sludge to be treated from the silicate or ceramic industries, e.g. waste waters from cement or glass factories
99.
Method for producing the 2-acrylamido-2-methylpropane sulfonic acid monomer and polymer comprising said monomer
The invention relates to a method for producing 2-acrylamido-2-methylpropane sulfonic acid. Said method consists in reacting together acrylonitrile, fuming sulfuric acid and isobutylene. It is characterized in that the isobutylene contains less than 1000 ppm of butadiene and less than 1000 ppm of butene.
C07C 303/00 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides
C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
C07C 303/20 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by addition of sulfurous acid or salts thereof to compounds having carbon-to-carbon multiple bonds
C07C 303/22 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids by reactions not involving the formation of sulfo or halosulfonyl groups
C08F 20/58 - Amides containing oxygen in addition to the carbonamido oxygen
The present invention relates to an aqueous multiphase particulate suspension comprising a water-soluble polymer and to an enhanced oil recovery method using said suspension. The invention further relates to the use of the multiphase suspension in a drilling, hydraulic fracturing and mining effluent treatment operation.
patents
