Patents by Inventor Benoit Magny
Benoit Magny 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).
-
Publication number: 20200291152Abstract: The invention relates to the field of preparing aqueous dispersions of organic, organometallic or inorganic particles. In particular, the invention relates to the preparation of aqueous suspensions comprising organic, organometallic or inorganic particles and at least one particular copolymer obtained by polymerization of at least one acid and at least one compound or at least one ester derived from a particular acid, in the presence of water, at least one initiator compound and at least one activator compound, followed by total or partial neutralization by means of at least one compound chosen from alkali metal hydroxides, alkaline earth metal hydroxides, alkaline earth metal dihydroxides and mixtures thereof. The invention relates to such a particular copolymer having a low polydispersity index and weight-average molecular weight, the preparation process thereof and the use thereof, especially for the preparation of an aqueous paint composition.Type: ApplicationFiled: March 29, 2017Publication date: September 17, 2020Applicant: COATEXInventors: Mehdi BOUZID, Clementine CHAMPAGNE, Benoit MAGNY, Jean-Marc SUAU
-
Publication number: 20200291239Abstract: The invention relates to a method for producing particles of mineral material comprising grinding of at least one mineral material in the presence of water. The grinding according to the invention is carried out in the presence of at least one polymer obtained by a radical polymerization reaction of a partial sodium salt of itaconic acid and partial decarboxylation of the polymer obtained followed by partial or total neutralization of the decarboxylated polymer. The invention also relates to an aqueous composition comprising particles of ground mineral material and such a polymer, in particular a mass-loading composition for the production of paper or a paper-coating-colour composition.Type: ApplicationFiled: November 8, 2017Publication date: September 17, 2020Applicant: COATEXInventors: Henri GRONDIN, Christian JACQUEMET, Benoit MAGNY
-
Publication number: 20200277431Abstract: The invention relates to the field involving the softening or lubricating of natural, synthetic or mixed textile fibres, as well as keratin fibres. The invention provides a softening composition, the rheology of which is controlled by means of a particular thickening agent. The invention also relates to the thickening agent, which is made from multiple isocyanate compounds.Type: ApplicationFiled: December 14, 2018Publication date: September 3, 2020Applicant: COATEXInventors: Yves KENSICHER, Benoit MAGNY, Yves MATTER, Jean-Marc SUAU
-
Publication number: 20200255669Abstract: The present invention relates to a method for producing mineral particles grinding a mineral material in the presence of a specific anionic polymer. The polymer used is obtained by means of polymerisation in the presence of sodium hypophosphite, disodium dipropionate trithiocarbonate and at least one radical-generating compound. The invention also relates to an aqueous composition comprising particles of ground mineral material and such a polymer, in particular a paper coating slip composition.Type: ApplicationFiled: December 14, 2017Publication date: August 13, 2020Applicant: COATEXInventors: Clementine CHAMPAGNE, Christian JACQUEMET, Benoit MAGNY, Jacques MONGOIN, Jean-Marc SUAU
-
Patent number: 10501371Abstract: Novel copolymers obtained by polymerisation a mixture of monomers comprising: at least one anionic monomer (a) comprising a polymerisable unsaturated function and a carboxylic group; and at least one monomer (b) of formula (I): H2C?C(—R1)—(CH2)p—O-[(EO)n—(PO)m]—H??(I) where [(EO)n—(PO)m] represents a polyalkoxylated chain consisting of ethoxylated units EO and propoxylated units PO, distributed into blocks, alternating or statistical, the molar proportion of the ethoxylated units in the polyalkoxylated chain (n)/(m+n) being greater than or equal to 70% and strictly less than 90%. In addition, hydraulic composition, for example concrete compositions, comprising such copolymers, and the use of said copolymers as water-reducing agents in hydraulic compositions and for increasing the early mechanical strength of a hydraulic composition.Type: GrantFiled: September 15, 2017Date of Patent: December 10, 2019Assignee: COATEXInventors: David Platel, Benoit Magny, Jean-Marc Suau, Clementine Champagne
-
Patent number: 10470994Abstract: The invention relates to multiphasic polymers comprising from 45% to 95% by weight of a first polymer P1 and from 5% to 55% by weight of a second polymer P2, said polymers P1 and P2 being of distinct compositions, said polymer P1 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b) having a polymerizable vinyl group, at least one cross-linking monomer (c) and at least one associative monomer (d) having a polymerizable vinyl group and a hydrophobic hydrocarbon chain and said polymer P2 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a?) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b?) having a polymerizable vinyl group and at least one cross-linking monomer (c?).Type: GrantFiled: October 30, 2015Date of Patent: November 12, 2019Assignee: COATEXInventors: Clementine Champagne, Jean-Marc Suau, Benoit Magny, Delphine Bony, Yves Kensicher
-
Patent number: 10465028Abstract: The present invention relates to a polymer obtained by radical polymerization of a mixture of monomers comprising: at least one anionic monomer (a) having a polymerizable vinyl function; at least one non-ionic hydrophobic monomer (b) having a polymerizable vinyl function; and one or more crosslinking monomer(s) (c) including at least one compound of formula (I) in which R is a hydrogen atom or a methyl group, n is zero or an integer from 1 to 30, and R1 is a linear or branched C1-C20 alkylene group. The present invention also relates to a process for the preparation thereof by radical polymerization, to an aqueous composition comprising same, to the use thereof as a thickener and suspending agent and also to the use of a monomer of formula (I) for synthesizing a polymer.Type: GrantFiled: June 23, 2016Date of Patent: November 5, 2019Assignee: COATEXInventors: Clementine Champagne, Delphine Bony, Jean-Marc Suau, Yves Kensicher, Benoit Magny
-
Publication number: 20190135965Abstract: (EN) The invention relates to the field involved in the production of aqueous compositions comprising rheology modifying agents, in particular the production of aqueous detergent or cosmetic compositions having improved, thickening and clarity properties, as well as good suspension properties. In particular, the invention relates to a rheology modifying agent which is a copolymer obtained by means of polymerisation of at least one crosslinking monomer with at least one anionic monomer comprising at least one polymerisable ethylenic unsaturation and at least one hydrophobic non-ionic monomer comprising at least one polymerisable ethylenic unsaturation.Type: ApplicationFiled: June 2, 2017Publication date: May 9, 2019Applicant: COATEXInventors: Herve CAVALIE, Clementine CHAMPAGNE, Benoit MAGNY, Jean-Marc SUAU, Christophe VERGE
-
Publication number: 20190021981Abstract: The invention relates to multiphasic polymers comprising from 45% to 95% by weight of a first polymer P1 and from 5% to 55% by weight of a second polymer P2, said polymers P1 and P2 being of distinct compositions, said polymer P1 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b) having a polymerizable vinyl group, at least one cross-linking monomer (c) and at least one associative monomer (d) having a polymerizable vinyl group and a hydrophobic hydrocarbon chain and said polymer P2 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a?) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b?) having a polymerizable vinyl group and at least one cross-linking monomer (c?).Type: ApplicationFiled: October 30, 2015Publication date: January 24, 2019Applicant: COATEXInventors: Clementine CHAMPAGNE, Jean-Marc SUAU, Benoit MAGNY, Delphine BONY, Yves KENSICHER
-
Publication number: 20190010267Abstract: The present invention relates to a polymer obtained by radical polymerization of a mixture of monomers comprising: at least one anionic monomer (a) having a polymerizable vinyl function; at least one non-ionic hydrophobic monomer (b) having a polymerizable vinyl function; and one or more crosslinking monomer(s) (c) including at least one compound of formula (I) in which R is a hydrogen atom or a methyl group, n is zero or an integer from 1 to 30, and R1 is a linear or branched C1-C20 alkylene group. The present invention also relates to a process for the preparation thereof by radical polymerization, to an aqueous composition comprising same, to the use thereof as a thickener and suspending agent and also to the use of a monomer of formula (I) for synthesizing a polymer.Type: ApplicationFiled: June 23, 2016Publication date: January 10, 2019Applicant: COATEXInventors: Clementine CHAMPAGNE, Delphine BONY, Jean-Marc SUAU, Yves KENSICHER, Benoit MAGNY
-
Publication number: 20180215856Abstract: The present invention relates to novel associative thickeners pertaining to the HEUR category (Hydrophobically-modified Ethoxylated URethane), to intermediate aqueous formulations containing such thickeners, and to the final compositions, for example paint, lacquer, varnish or paper coating slip compositions.Type: ApplicationFiled: August 3, 2016Publication date: August 2, 2018Applicant: COATEXInventors: Denis RUHLMANN, Catherine CORFIAS ZUCCALLI, Jean-Marc SUAU, Yves MATTER, Benoit MAGNY
-
Publication number: 20180002231Abstract: Novel copolymers obtained by polymerisation a mixture of monomers comprising: at least one anionic monomer (a) comprising a polymerisable unsaturated function and a carboxylic group; and at least one monomer (b) of formula (I): H2C?C(—R1)-(CH2)p—O—[(EO)n-(PO)m]-H??(I) where [(EO)n-(PO)m] represents a polyalkoxylated chain consisting of ethoxylated units EO and propoxylated units PO, distributed into blocks, alternating or statistical, the molar proportion of the ethoxylated units in the polyalkoxylated chain (n)/(m+n) being greater than or equal to 70% and strictly less than 90%. In addition, hydraulic composition, for example concrete compositions, comprising such copolymers, and the use of said copolymers as water-reducing agents in hydraulic compositions and for increasing the early mechanical strength of a hydraulic composition.Type: ApplicationFiled: September 15, 2017Publication date: January 4, 2018Applicant: COATEXInventors: David PLATEL, Benoit MAGNY, Jean-Marc SUAU, Clementine CHAMPAGNE
-
Patent number: 6878776Abstract: The invention relates to thermosetting compositions, in particular coating or molding compositions, comprising crosslinked polymer microparticles with a size ranging from 10 to 300 nm and carrying at least one reactive functional group which can react with at least one of the reactive components of the thermosetting composition. Preferably, these microparticles carry at least one second reactive functional group distinct from the first which can react with at least one other functional group of the same type carried by another microparticle and/or by a reactive component of the thermosetting composition. These microparticles are at least partially soluble, miscible and/or dispersible in the starting thermosetting composition. The preferred thermosetting compositions are based on resins of epoxy/amine type or on unsaturated polyester resins and/or on vinyl ester resins.Type: GrantFiled: March 24, 2000Date of Patent: April 12, 2005Assignee: Cray Valley, S.A.Inventors: Jean-Pierre Pascault, Ludovic Valette, Philippe Barbeau, Benoit Magny
-
Patent number: 6846564Abstract: The invention relates to cross-linked acrylic microparticles, a method for the production thereof by polymerization in a dispersion in a non aqueous medium and to the uses thereof in covering or moulding compositions involving a favourable compromise between hardness, flexibility and adhesion. The micropparticles are obtained from a composition comprising: 50-99% mols of a constitutent (A) consisting of Cardura E 10 (meth)acrylate and optionally alkyl (meth)acrylate in C2-C8; a compound (B) consisting of at least one monomer or oligomer having at least 2 ethylenic unsaturations; a compound (C) consisting of at least one monomer or oligomer having in addition to one ethylenic unsaturation at least one second function (F1) with the possibility of at least partial chemical modification of the initial functions f1 into final functions f2.Type: GrantFiled: March 24, 2000Date of Patent: January 25, 2005Assignee: Cray Valley, S.A.Inventors: Jean-Pierre Pascault, Ludovic Valette, Philippe Barbeau, Benoit Magny
-
Patent number: 6586097Abstract: These crosslinked microparticles between 10-300 nm in size are obtained by dispersion polymerization, in non-aqueous medium which is non-solvent for the polymer formed, of a composition of ethylenically unsaturated polymerizable compounds, comprising: at least one monomer A, comprising only one ethylenic unsaturation, giving the microparticles formed in the said non-aqueous medium self-stabilization during and after polymerization, without any addition of polymer having the function of a stabilizing agent, tither before, during or after polymerization, at least one compound B comprising at least two ethylenic unsaturations and optionally, depending on the case: at least one compound C comprising only one ethylenic unsaturation and/or at least one compound D which is different from A, B and C and comprising at least one ethylenic unsaturation which can undergo radical-mediated polymerization and at least one second reactive function f1 which is other than an ethylenic unsaturation.Type: GrantFiled: December 12, 2001Date of Patent: July 1, 2003Assignee: Cray Valley, S.A.Inventors: Jean-Pierre Pascault, Ludovic Valette, Benoit Magny