Patents by Inventor Yvon Durant

Yvon Durant 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).

  • Copolymer formulations of poly (itaconic acid-co-2-acrylamido-2-methylpropane sulfonic acid) for dishwasher detergent compositions
    Patent number: 11866677
    Abstract: The present invention relates to copolymer formulations of poly(itaconic acid-co-2-acrylamido-2-methylpropane sulfonic acid) for dishwasher detergent compositions with a controlled amount of a second polymeric component.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: January 9, 2024
    Assignee: ITACONIX CORPORATION
    Inventors: James William Gordon, Bo Jiang, Yvon Durant, John Shaw
  • Asymmetric and symmetric monomer mixtures of esters of itaconic acid and corresponding copolymers
    Patent number: 11814475
    Abstract: A monomer mixture containing asymmetric and symmetric esters of itaconic acid which can be used as a reactive diluent. In addition, copolymers resulting from the polymerization of such monomer mixture. The monomer mixture more specifically includes the asymmetric monomers methyl ethyl itaconate (MEI) and ethyl methyl itaconate (EMI) and the symmetric monomers dimethyl itaconate (DMI) and diethyl itaconate (DEI).
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: November 14, 2023
    Assignee: ITACONIX CORPORATION
    Inventors: Yvon Durant, Madeleine Eleanor Anderson
  • Multibranched Acid Terminated Oligomers Of Itaconic Acid Including Vinylidine Unsaturations
    Publication number: 20230323024
    Abstract: The present invention is directed at multibranched acid terminated oligomers of itaconic acid. Such multibranched acid terminated oligomers also contain six or more vinylidine groups providing unsaturations that can then be relied upon for subsequent Michael nucleophilic addition type reactions. The subject oligomers have particular use for treatment of damaged hair or skin.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Inventors: Yvon Durant, Madeleine Anderson, John Shaw
  • Asymmetric And Symmetric Monomer Mixtures Of Esters Of Itaconic Acid And Corresponding Copolymers
    Publication number: 20230183421
    Abstract: A monomer mixture containing asymmetric and symmetric esters of itaconic acid which can be used as a reactive diluent. In addition, copolymers resulting from the polymerization of such monomer mixture. The monomer mixture more specifically includes the asymmetric monomers methyl ethyl itaconate (MEI) and ethyl methyl itaconate (EMI) and the symmetric monomers dimethyl itaconate (DMI) and diethyl itaconate (DEI).
    Type: Application
    Filed: December 9, 2021
    Publication date: June 15, 2023
    Inventors: Yvon DURANT, Madeleine Eleanor ANDERSON
  • Copolymer Formulations of Poly (itaconic acid-co-2-acrylamido-2-methylpropane sulfonic acid) For Dishwasher Detergent Compositions
    Publication number: 20210238503
    Abstract: The present invention relates to copolymer formulations of poly(itaconic acid-co-2-acrylamido-2-methylpropane sulfonic acid) for dishwasher detergent compositions with a controlled amount of a second polymeric component.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 5, 2021
    Inventors: James William GORDON, Bo JIANG, Yvon DURANT, John SHAW
  • Decarboxylation and amidation of polyitaconic acid polymers
    Patent number: 10738139
    Abstract: The present invention is directed at the decarboxylation and amidation of polyitaconic acid polymers. The polymers formed have useful dispersion properties and are suitable for use in the prevention of scaling.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 11, 2020
    Assignee: Itaconix Corporation
    Inventors: Yvon Durant, Bo Jiang, Melanie Hughes, Timothy Mills
  • DECARBOXYLATION AND AMIDATION OF POLYITACONIC ACID POLYMERS
    Publication number: 20200190235
    Abstract: The present invention is directed at the decarboxylation and amidation of polyitaconic acid polymers. The polymers formed have useful dispersion properties and are suitable for use in the prevention of scaling.
    Type: Application
    Filed: December 18, 2018
    Publication date: June 18, 2020
    Inventors: Yvon DURANT, Bo JIANG, Melanie HUGHES, Timothy MILLS
  • Sulfonated copolymers for detergent composition
    Patent number: 10472594
    Abstract: The present invention relates to a mixture of sulfonated copolymers for detergent compositions which mixture of copolymers offer chelating capability as well as the ability to remain soluble in aqueous environments.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: November 12, 2019
    Assignee: Itaconix Corporation
    Inventors: Bo Jiang, Yvon Durant, John Shaw
  • Partially decarboxylated polycarboxylic acid polymers
    Patent number: 10273176
    Abstract: The present invention relates to partial decarboxylation of polyitaconic acid polymers or copolymers. The partially decarboxylated resins are suitable for use in preparation of dispersions as well as for anti-scaling applications.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: April 30, 2019
    Assignee: Itaconix Corporation
    Inventors: Yvon Durant, Brian Luthi, John Shaw
  • Sulfonated Copolymers For Detergent Composition
    Publication number: 20180291312
    Abstract: The present invention relates to a mixture of sulfonated copolymers for detergent compositions which mixture of copolymers offer chelating capability as well as the ability to remain soluble in aqueous environments.
    Type: Application
    Filed: April 11, 2017
    Publication date: October 11, 2018
    Inventors: Bo JIANG, Yvon DURANT, John SHAW
  • Emulsion polymerization of esters of itaconic acid
    Patent number: 9932421
    Abstract: The present disclosure relates to a method for the emulsion polymerization of itaconic acid containing ester functionality, for example, the alkyl esters of itaconic acid known as alkylitaconate. More specifically, an ester of polyitaconic acid polymer is produced via emulsion polymerization and contains greater than 50% by weight of an ester of itaconic acid along with a selected particle size and levels of molecular weight and syndiotactacticity.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: April 3, 2018
    Assignee: Itaconix Corporation
    Inventors: Yvon Durant, Bo Jiang, John Tsavalas
  • Soluble aqueous compositions of zinc salts of selected polyitaconic acid polymers
    Patent number: 9790395
    Abstract: The present invention relates to soluble aqueous compositions comprising metal salts of selected polyitaconic acid (PIA) resins.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: October 17, 2017
    Assignee: Itaconix Corporation
    Inventors: Martin Vince, Anita Augustyniak, Yvon Durant, John Shaw
  • Partially Decarboxylated Polycarboxylic Acid Polymers
    Publication number: 20170036934
    Abstract: The present invention relates to partial decarboxylation of polyitaconic acid polymers or copolymers. The partially decarboxylated resins are suitable for use in preparation of dispersions as well as for anti-scaling applications.
    Type: Application
    Filed: October 4, 2016
    Publication date: February 9, 2017
    Inventors: Yvon DURANT, Brian LUTHI, John SHAW
  • Emulsion Polymerization of Esters of Itaconic Acid
    Publication number: 20160333127
    Abstract: The present disclosure relates to a method for the emulsion polymerization of itaconic acid containing ester functionality, for example, the alkyl esters of itaconic acid known as alkylitaconate. More specifically, an ester of polyitaconic acid polymer is produced via emulsion polymerization and contains greater than 50% by weight of an ester of itaconic acid along with a selected particle size and levels of molecular weight and syndiotactacticity.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 17, 2016
    Inventors: Yvon DURANT, Bo JIANG, John Tsavalas
  • Partially decarboxylated polycarboxylic acid polymers
    Patent number: 9487423
    Abstract: The present invention relates to partial decarboxylation of polyitaconic acid polymers or copolymers. The partially decarboxylated resins are suitable for use in preparation of dispersions as well as for anti-scaling applications.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: November 8, 2016
    Assignee: Itaconix Corporation
    Inventors: Yvon Durant, Brian Luthi, John Shaw
  • Soluble Aqueous Compositions Of Zinc Salts Of Selected Polyitaconic Acid Polymers
    Publication number: 20160194493
    Abstract: The present invention relates to soluble aqueous compositions comprising metal salts of selected polyitaconic acid (PIA) resins.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Inventors: Martin VINCE, Anita AUGUSTYNIAK, Yvon DURANT, John SHAW
  • Soluble aqueous compositions of zinc salts of selected polyitaconic acid polymers
    Patent number: 9284446
    Abstract: The present invention relates to soluble aqueous compositions comprising metal salts of selected polyitaconic acid (PIA) resins.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: March 15, 2016
    Assignee: Itaconix Corporation
    Inventors: Martin Vince, Anita Augustyniak, Yvon Durant, John Shaw
  • Soluble Aqueous Compositions of Zinc Salts of Selected Polyitaconic Acid Polymers
    Publication number: 20150183978
    Abstract: The present invention relates to soluble aqueous compositions comprising metal salts of selected polyitaconic acid (PIA) resins.
    Type: Application
    Filed: December 24, 2014
    Publication date: July 2, 2015
    Inventors: Martin VINCE, Anita AUGUSTYNIAK, Yvon DURANT, John SHAW
  • Polycarboxylic Acid Polymers For Treatment of Leather
    Publication number: 20140259439
    Abstract: The present invention relates to methods and polymers based upon vinyl type monomers that contain pendant carboxylic acid groups that may be employed for retanning of leather sourced from animal skins or synthetic leather.
    Type: Application
    Filed: February 14, 2014
    Publication date: September 18, 2014
    Inventors: Lucas PADDOCK, David G. OUELLETTE, John SHAW, Yvon DURANT
  • Vinyl acid monomer recovery
    Patent number: 8802404
    Abstract: The present disclosure relates to a method for recovering a vinyl acid monomer by providing an aqueous fermentation broth which undergoes microbial fermentation of a nutrient medium containing a carbon source including at least one microorganism to produce a vinyl acid monomer. The method provides a direct overall route to bio-based polymers of the vinyl acid monomer, and in particular, polymers of polyitaconic acid.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: August 12, 2014
    Assignees: University of New Hampshire, Itaconix Corporation
    Inventors: Jennifer Durant, Yvon Durant, John Shaw