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).

  • Patent number: 11760886
    Abstract: 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: Grant
    Filed: December 14, 2017
    Date of Patent: September 19, 2023
    Assignee: COATEX
    Inventors: Clementine Champagne, Christian Jacquemet, Benoit Magny, Jacques Mongoin, Jean-Marc Suau
  • Publication number: 20230287162
    Abstract: The invention relates to a thickening agent P for an aqueous composition, in particular for a hydro-alcoholic composition. The thickening agent P is prepared in the absence of acrylamide by a polymerisation reaction using N-methylol acrylamide or one of the derivatives thereof, an acid and an acid ester. A specific condensate of (meth)acrylic acid and N-methylol acrylamide are part of the invention. The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled. The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled.
    Type: Application
    Filed: July 29, 2021
    Publication date: September 14, 2023
    Applicant: COATEX
    Inventors: Yves KENSICHER, Benoit MAGNY, Laurie PARRENIN, Jean Marc SUAU
  • Patent number: 11753496
    Abstract: 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: Grant
    Filed: December 14, 2018
    Date of Patent: September 12, 2023
    Assignee: COATEX
    Inventors: Yves Kensicher, Benoit Magny, Yves Matter, Jean-Marc Suau
  • Patent number: 11702338
    Abstract: The invention relates to a method for the industrial preparation of phosphoric acid from an aqueous suspension comprising water and particles of at least one phosphate material dispersed in the presence of at least one additive of the anionic polymer type. Phosphoric acid is obtained by treating this suspension with at least one strong acid. The polymer is obtained by polymerization reaction of at least one acid selected from acrylic acid, methacrylic acid and salts thereof. The invention relates to the use of this anionic polymer as well as the method for improving the rheology of the suspension and the hydrodynamics of the reaction medium in which the reactions for the manufacture of phosphoric acid take place.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: July 18, 2023
    Inventors: Driss Dhiba, Benoît Magny, Hamid Mazouz, Céline Methivier, Jacques Mongoin
  • Publication number: 20230053620
    Abstract: The invention relates to a method for grinding phosphate rock in the presence of a particular anionic polymer having a molecular weight of between 1000 and 90000 g/mol, which makes it possible to control the extent (S) of the volume distribution of the particle size of obtained phosphate mineral particles. The invention also relates to a method for improving the production yield of a phosphate rock grinding method.
    Type: Application
    Filed: February 3, 2021
    Publication date: February 23, 2023
    Applicant: COATEX
    Inventors: Benoit MAGNY, Celine METHIVIER, Jacques MONGOIN
  • Patent number: 11578214
    Abstract: 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: Grant
    Filed: November 8, 2017
    Date of Patent: February 14, 2023
    Assignee: COATEX
    Inventors: Henri Grondin, Christian Jacquemet, Benoit Magny
  • Publication number: 20230025556
    Abstract: Polyurethane heat-stabilizing agents may help resist temperature changes and preparations of an aqueous composition which may be resistant to temperature changes due to the use of such an agent (P). The viscosity may be thermally stabilized by such an aqueous composition in a wide temperature range and for many shear gradient values.
    Type: Application
    Filed: December 2, 2020
    Publication date: January 26, 2023
    Applicant: COATEX
    Inventors: Benoit MAGNY, Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
  • Publication number: 20220371957
    Abstract: A copolymer may be obtained by polymerization reaction(s) using an anionic monomer and two polyethoxylated monomers. Such copolymers may have a polydispersity index, determined by size exclusion chromatography (SEC), of less than 3, and be obtained by at least one radical polymerisation reaction in water at a temperature ranging from 10 to 90° C. A composition may include such copolymers. Such copolymers may be prepared and use as a superplasticizer for a hydraulic binder composition.
    Type: Application
    Filed: June 23, 2020
    Publication date: November 24, 2022
    Applicant: COATEX
    Inventors: Benoit MAGNY, Michel MELAS, Laurie PARRENIN, Jean-Marc SUAU
  • Publication number: 20220356284
    Abstract: A preparation of an aqueous composition that is resistant to temperature variations may include the use of at least one specific heat-stabilizing agent. The heat stabilization of the viscosity of the aqueous composition within a wide temperature range. Such heat-stabilizing agents may include, in polymerized form: (a1) an anionic monomer comprising a polymerizable olefinic unsaturation and a carboxylic acid group, optionally in salt form; (a2) a C1-C7 ester of acrylic acid, methacrylic acid, maleic acid, and/or itaconic acid; (a3) an associative monomer of a formula, R1-(EO)m-(PO)n-R2, wherein m and n are independently 0 or an integer or decimal less than 150, m or n being different from 0, EO is independently a CH2CH2O group, PO is independently a combination of (i) CH2CH2O and (ii) CH(CH3)CH2O and/or CH2CH(CH3)O, R1 is independently a group comprising a polymerizable olefinic unsaturation, and R2 is independently a straight C28-C40-alkyl group or a C28-C40-alkyl group.
    Type: Application
    Filed: December 14, 2020
    Publication date: November 10, 2022
    Applicant: COATEX
    Inventors: Lori HOWELL, Haksu LEE, Benoit MAGNY, Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
  • Patent number: 11447588
    Abstract: 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: Grant
    Filed: March 29, 2017
    Date of Patent: September 20, 2022
    Assignee: COATEX
    Inventors: Mehdi Bouzid, Clementine Champagne, Benoit Magny, Jean-Marc Suau
  • Publication number: 20220025203
    Abstract: The invention relates to the field of dispersing agents for an aqueous composition, in particular for dispersing a mineral material in the form of particles. The dispersing agent according to the invention comprises a dispersing polymer combined with an osidic derivative or a derivative of saccharide origin. The invention also relates to an aqueous composition comprising said dispersing agent and a mineral material in the form of particles, and to the use of said agent or composition.
    Type: Application
    Filed: November 14, 2019
    Publication date: January 27, 2022
    Applicant: COATEX
    Inventors: Francis BONY, Morgane LE NEINDRE, Benoit MAGNY, Yves MATTER, Jean-Marc SUAU
  • Patent number: 11208515
    Abstract: (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: Grant
    Filed: June 2, 2017
    Date of Patent: December 28, 2021
    Assignee: COATEX
    Inventors: Herve Cavalie, Clementine Champagne, Benoit Magny, Jean-Marc Suau, Christophe Verge
  • Publication number: 20210309788
    Abstract: 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: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Applicant: COATEX
    Inventors: Denis RUHLMANN, Catherine CORFIAS ZUCCALLI, Jean-Marc SUAU, Yves MATTER, Benoit MAGNY
  • Publication number: 20210269580
    Abstract: The invention relates to the field of associative thickeners, and more particularly to associative thickeners of the HEUR type, used in aqueous formulations. In particular, the invention relates to a method for the continuous preparation of HEUR-type associative thickeners by reactive extrusion.
    Type: Application
    Filed: October 15, 2019
    Publication date: September 2, 2021
    Applicant: COATEX
    Inventors: Benoit MAGNY, Yves MATTER, Jean-Marc SUAU
  • Patent number: 11066505
    Abstract: 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: Grant
    Filed: August 3, 2016
    Date of Patent: July 20, 2021
    Assignee: COATEX
    Inventors: Denis Ruhlmann, Catherine Corfias Zuccalli, Jean-Marc Suau, Yves Matter, Benoit Magny
  • Publication number: 20210170309
    Abstract: The invention relates to a method for controlling the sedimentation of an aqueous mineral suspension of a mining derivative by means of the gravimetric concentration of the aqueous suspension in the presence of a flocculating agent and a polymer (P) which has a GPC-measured molecular mass Mw of between 2000 and 20000 g/mol and is prepared using at least one free radical polymerisation reaction of at least one anionic monomer (M). The invention also relates to the resulting suspension, which has a Brookfield viscosity of less than 1 800 mPa·s or a yield point of less than 80 Pa.
    Type: Application
    Filed: June 5, 2019
    Publication date: June 10, 2021
    Applicant: COATEX
    Inventors: Mehdi BOUZID, Benoit MAGNY, Jacques MONGOIN
  • Publication number: 20210171723
    Abstract: The invention concerns a method for preparing an aqueous mineral suspension from an aqueous metal ore residue into which a polymer (P) is introduced having a molecular mass Mw measured by GPC ranging from 2,000 to 20,000 g/mol and prepared by radical polymerisation of at least one anionic monomer (M). The invention also concerns the suspension produced, the Brookfield viscosity of which is lower than 1,800 mPa·s or the yield point of which is lower than 80 Pa.
    Type: Application
    Filed: June 5, 2019
    Publication date: June 10, 2021
    Applicant: COATEX
    Inventors: Mehdi BOUZID, Christian JACQUEMET, Benoit MAGNY, Jacques MONGOIN
  • Publication number: 20210171722
    Abstract: A method can prepare an aqueous mineral suspension from an aqueous metal ore residue into which there is introduced a polymer (P) having a molecular weight Mw measured by GPC of from 100,000 to 3.106 g/mol and prepared by free radical polymerization of at least one anionic monomer (m). The suspension produced may have a Brookfield viscosity greater than 2,000 mPa·s and/or a flow threshold of greater than 40 Pa.
    Type: Application
    Filed: June 5, 2019
    Publication date: June 10, 2021
    Applicant: COATEX
    Inventors: Mehdi BOUZID, Christian JACQUEMET, Benoit MAGNY, Jacques MONGOIN
  • Publication number: 20210171349
    Abstract: The invention relates to a method for the industrial preparation of phosphoric acid from an aqueous suspension comprising water and particles of at least one phosphate material dispersed in the presence of at least one additive of the anionic polymer type. Phosphoric acid is obtained by treating this suspension with at least one strong acid. The polymer is obtained by polymerization reaction of at least one acid selected from acrylic acid, methacrylic acid and salts thereof. The invention relates to the use of this anionic polymer as well as the method for improving the rheology of the suspension and the hydrodynamics of the reaction medium in which the reactions for the manufacture of phosphoric acid take place.
    Type: Application
    Filed: November 9, 2018
    Publication date: June 10, 2021
    Applicants: Coatex, OCP SA
    Inventors: Driss Dhiba, Benoît Magny, Hamid Mazouz, Céline Methivier, Jacques Mongoin
  • Publication number: 20200361774
    Abstract: The invention relates to a method for preparing an aqueous suspension of at least one phosphate material, comprising, dispersing, in water, particles of phosphate material in the presence of at least one additive of the anionic polymer of acrylic acid or of methacrylic acid type. The suspension according to the invention has a viscosity of less than 1500 mPa·s. The invention also relates to the conditioning of the phosphate material associated with the anionic polymer, for its subsequent treatment with at least one strong acid, for the industrial preparation of phosphoric acid.
    Type: Application
    Filed: November 9, 2018
    Publication date: November 19, 2020
    Applicants: Coatex, OCP SA
    Inventors: Driss Dhiba, Benoît Magny, Hamid Mazouz, Céline Methivier, Jacques Mongoin