Patents by Inventor Jacky Rousset
Jacky Rousset has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8536292Abstract: The invention concerns a process to manufacture a thermoplastic resin charged with mineral or carbonated matter, and possibly containing an organic impact modifier, through the introduction into the said resin of a comb polymer with at least one ethylenic unsaturation monomer, to which is grafted at least one polyalkylene oxide function. The resins then obtained which also form the subject of the invention have an improved impact resistance without their rigidity being degraded.Type: GrantFiled: October 23, 2006Date of Patent: September 17, 2013Assignees: Omya International AG, Coatex S.A.S.Inventors: Jacques Mongoin, Matthias Buri, Patrick Gane, Olivier Guerret, Jacky Rousset, Georges Saunders
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Publication number: 20090270543Abstract: The invention concerns a process to manufacture a thermoplastic resin charged with mineral or carbonated matter, and possibly containing an organic impact modifier, through the introduction into the said resin of a comb polymer with at least one ethylenic unsaturation monomer, to which is grafted at least one polyalkylene oxide function. The resins then obtained which also form the subject of the invention have an improved impact resistance without their rigidity being degraded.Type: ApplicationFiled: October 23, 2006Publication date: October 29, 2009Inventors: Jacques Mongoin, Matthias Buri, Patrick Gane, Olivier Guerret, Jacky Rousset, Georges Saunders
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Patent number: 5573188Abstract: Ground calcium carbonate is prepared by a process of grinding a suspension containing calcium carbonate to be ground and a water-soluble grinding agent in an aqueous medium while the temperature of the aqueous suspension is kept at below 60.degree. C.Type: GrantFiled: November 23, 1994Date of Patent: November 12, 1996Assignee: Coatex S.A.Inventors: Hubert Bousquet, Georges Ravet, Jacky Rousset
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Patent number: 5278248Abstract: Water-soluble polymers and/or copolymers possessing enhanced biodegradability, and their applications are disclosed.Acrylic and/or vinyl polymers and/or copolymers containing acid groups, in which 35% to 90% of the active acid sites are neutralized by magnesium ions, the specific viscosity is at most 25, and biodegradability is enhanced. Their decomposition after 36 days is greater than 50% as measured by the modified Sturm test.These polymers can be used in industries as varied as: paper-making, paints, plastics, petroleum, drilling fluids, water treatment, detergents, cosmetics, textiles, inks, leather, grinding and/or splitting of minerals in water.Type: GrantFiled: November 10, 1992Date of Patent: January 11, 1994Assignee: Coatex S.A.Inventors: Jean-Bernard Egraz, Georges Ravet, Jacky Rousset
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Patent number: 5216100Abstract: Copolymers for stabilizing aqueous suspensions of sodium silico-aluminates or zeolites, which are crosslinked, soluble in water, at least at pH 7 or above, and consist essentially of:a) at least one non-crosslinking acrylic monomer having a carboxylic function, chosen from among acrylic and methacrylic acids,b) possibly at least one non-crosslinking acrylic monomer chosen from among the esters, amides and/or nitriles of acrylic and/or methacrylic acids,(c) at least one crosslinking monomer having at least two acrylic and/or allyl and/or vinyl double bonds,(d) possibly, at least one at least bifunctional crosslinking monomer comprising at most one double bond and at least one other chemical function that is reactive with regard to the other monomers with acid, amide or nitrile functions of the monomers of types (a) and (b),the total amount of the crosslinking monomers of types (c) and (d) constituting from 1 to 5, preferably from 1 to 4 weight percent based on the total weight of the monomers, when used in a rType: GrantFiled: December 6, 1991Date of Patent: June 1, 1993Assignee: Coatex S.A.Inventors: Henri Grondin, Jean Moro, Jacky Rousset
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Patent number: 5181662Abstract: Ground calcium carbonate is prepared by a process of grinding a suspension containing calcium carbonate and a water-soluble grinding agent in an aqueous medium while the temperature of the aqueous suspension is kept at or below 60.degree. C.Type: GrantFiled: June 25, 1991Date of Patent: January 26, 1993Assignee: Coatex S.A.Inventors: Hubert Bousquet, Georges Ravet, Jacky Rousset
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Patent number: 5180790Abstract: A water-soluble complexing agent of metallic cations having a high complexing power and a high threshhold effect, constituted from acrylic copolymers, characterized by the fact that said agent is formed by terpolymers comprising acrylic and methacrylic and itaconic units of the general formula: ##STR1## in which the indices, expressed in percent by weight have at least a value of 10 for x and y, and a value of 5 for z.Type: GrantFiled: May 13, 1991Date of Patent: January 19, 1993Assignee: Coatex S.A.Inventors: Jacky Rousset, Georges Ravet
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Patent number: 5099928Abstract: A non-polluting dispersing agent for drilling fluids based on soft water or salt water.A dispersing agent for aqueous drilling fluids, optionally saline, belonging to the group of polymers and/or copolymers containing acid functions which is characterized in that, to ensure that these fluids retain their rheological characteristics, even under the extreme temperature and pressure conditions prevailing in deep bore holes, said dispersing agent is a salt of said polymers and/or copolymers of which the salifying cation corresponds to a metal having a Pauling electronegativity at least equal to 0.95 and preferably greater than 1.Type: GrantFiled: July 16, 1990Date of Patent: March 31, 1992Assignee: Coatex S.A.Inventors: Pierre Bouchut, Yves Kensicher, Jacky Rousset
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Patent number: 4977192Abstract: A granular polymer composition having increased water absorption and desorption capability, resistance to photogradation and increased life span, comprising a water-insoluble but swellable cross-linked polymer material formed of at least one polymer and/or copolymer prepared from at least one unsaturated ethylene monomer having at least one carboxylic, amide, sulfuric, sulfonic, phosphoric, phosphonic, or hydroxyl functional group and at least one powdered mineral charge well dispersed in and intimately bonded to said polymer as a result of its introduction into the mixture of monomers of the same type or of a different type before their polymerization into said polymer or copolymer.Type: GrantFiled: April 28, 1988Date of Patent: December 11, 1990Assignees: Coatex S.A., Conservatome S.A.Inventors: Pierre Martineu, Christiane Saunier, Jacky Rousset, Christian Jacquemet
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Patent number: 4868228Abstract: Grinding agent based upon neutralized polymers and/or copolymers for an aqueous suspension of coarse mineral materials for applications in pigments consisting of acid acrylic polymers and/or copolymers which are entirely neutralized by at least one neutralizing agent having a monovalent function and at least one neutralizing agent having a polyvalent function.Type: GrantFiled: September 23, 1987Date of Patent: September 19, 1989Assignee: Coatex, S.A.Inventors: Olivier Gonnet, Georges Ravet, Jacky Rousset
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Patent number: 4857622Abstract: An agent to be used to treat water and aqueous media contacting heat transfer surfaces for inhibiting the build-up of scale and settlement of dissolved alkaline earth materials in water and aqueous media, which agent consists of acrylic and methacrylic acid polymers and/or copolymers and is characterized in that it comprises the fraction of said polymers and/or copolymers having a symmetrical, single-mode molecular weight distribution centered on an average molecular weight of about 800, in which 100% of said molecular weights are individually lower than 1,200 and at least 90% of same are in the 400-1,000 range.Type: GrantFiled: September 30, 1987Date of Patent: August 15, 1989Assignee: Coatex S.A.Inventors: Hubert Bousquet, Georges Ravet, Jacky Rousset
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Patent number: 4840985Abstract: Grinding agent based upon acrylic polymers and/or copolymers for aqueous suspension of coarse mineral materials for applications in pigments.Grinding agent for aqueous suspensions of mineral materials intended for application in pigments, consisting of an acid acrylic polymer and/or copolymer which is partially neutralized by at least one neutralizing agent having at least one monovalent function.The grinding agent according to the invention is applicable more particularly to the preparation by grinding of mineral materials such as calcium carbonate, dolomites, calcium sulphate, kaolin, titanium dioxide, intended for pigmentary applications as varied as paper coating, pigmentation of paints, fillers of rubbers or synthetic resins or matting synthetic textiles.Type: GrantFiled: September 23, 1987Date of Patent: June 20, 1989Assignee: Coatex, S. A.Inventors: Olivier Gonnet, Georges Ravet, Jacky Rousset
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Patent number: 4782120Abstract: Non-polluting thinning adjuvant for sea-water and/or fresh-water based drilling muds.Non-polluting thinning adjuvant for sea-water and/or fresh-water based drilling muds, with the aim to maintain their rheological characteristics in the extreme conditions of temperature and pressure which prevail in wells drilled at great depths. This thinning adjuvant is characterized by the fact that it is a hydrosoluble copolymer resulting from the copolymerization of ethylenic acids, acrylamides and ethylenic esters of phosphoric acid.Its general formula is: ##STR1## in which the indices m,n,p -expressed in % in mole- are chosen from the following intervals:0%<m<90%2%<n<100%0%<p<90%and where radicals R.sub.1, R.sub.2 and R.sub.4 are chosen from the group consisting of H and the alkyles, and radical R.sub.3 is chosen from the group consisting of alkylenes and alkylene-oxides and/or polyalkylene oxides.Type: GrantFiled: April 13, 1987Date of Patent: November 1, 1988Assignee: Coatex, S.A.Inventors: Jacky Rousset, Jean-Bernard Egraz, Gilles Letetour
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Patent number: 4765921Abstract: Acid compositions with high concentrations of active ingredients intended for the treatment of industrial or domestic waters and for cleaning the corresponding industrial or sanitary installations, comprising carboxylic polymer materials, a strong acid, possibly a salt of a divalent metal and possibly known specific agents, which comprise:(a) from 10 to 60% by weight expressed in anhydrous form of a water-soluble carboxylic polymer in its acid form containing at least 5% by weight and preferably at least 10% by weight of itaconic acid,(b) from 10 to 80% by weight expressed in anhydrous form of at least one strong acid,(c) from 0 to 15% by weight expressed in anhydrous form of zinc in the form of Zn.sup.2+ ions,(d) from 0.1 to 10% by weight expressed in anhydrous form of specific agents,(e) from 5 to 65% by weight of water.Type: GrantFiled: June 22, 1987Date of Patent: August 23, 1988Assignee: Coatex S.A.Inventors: Jacky Rousset, Jean Moro
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Patent number: 4687789Abstract: A water soluble ethylenic copolymer-based dispersant for water-based pigment compounds, comprising a liquid phase, a binder which is an emulsion polymer, especially without protective colloids and which contains a considerable density of anionic groups, of pigments wholly or partially reactive with regard to their medium by the creation of bonds between the particles of emulsion polymer and the metallic ion of the partially soluble reactive pigment, characterized by the fact that in order to confer on such water-based pigment compounds definable rheological characteristics, which can be adjusted in advance and remain stable over periods of time, the said water soluble dispersant is an acrylic, methacrylic and itaconic acid copolymer.Type: GrantFiled: March 4, 1986Date of Patent: August 18, 1987Assignee: Coatex S.A.Inventors: Olivier Gonnet, Jacky Rousset
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Patent number: 4681634Abstract: Hydraulic cement composition with delayed setting, intended to be employed in an environment which may be under extreme temperature, pressure and salinity conditions, the composition being characterized in that it incorporates(a) a saline or nonsaline aqueous liquid phase,(b) at least one hydraulic cement,(c) a setting-retarder adjuvant preserving and/or improving the rheological properties, a water-soluble copolymer resulting from the copolymerization of ethylenic acids, acrylamides and ethylenic esters of phosphoric acid.Type: GrantFiled: October 16, 1985Date of Patent: July 21, 1987Assignees: Coatex S.A., Total Compagnie Francaise des Petroles S.A.Inventors: Yves Roca, Jacky Rousset, Pierre Bouchut, Marie-Christine Leblanc, Daniel Baffreau
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Patent number: 4424290Abstract: An additive for swelling clay grouts and cement-swelling clay grouts, intended to reduce the filtrate, lower and stabilize viscosity, retard rigidification time, limit sweating and sedimentation of the solid constituents, is an alkaline ethylenic acid polymer and/or copolymer, with molecular weight between 500 and 20,000, but preferably between 1000 and 6000.This additive is especially advantageous in the fields of civil engineering, building, public works and drilling.Type: GrantFiled: August 13, 1981Date of Patent: January 3, 1984Assignee: Societe CoatexInventors: Jacky Rousset, Roger P. Chavrier