Patents by Inventor Agnes Chapotot

Agnes Chapotot 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: 11124584
    Abstract: The invention pertains to an improved PVDC composition including certain dienophiles qualified for food contact, which possess an optimized balance of effectiveness in preventing discoloration upon exposure to radiation, with no negative impact on the barrier properties, in particular sorbate esters of formula (I), wherein R1 is a C1-C12 hydrocarbon group, preferably a C1-C6 alkyl group, to layers made therefrom, to multi-layer assemblies comprising the same, and to the use of said assemblies for packaging, in particular for packaging foodstuffs.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: September 21, 2021
    Assignees: Solvay SA, Centre National de la Recherche Scientifique, Université d'Aix-Marseille
    Inventors: Elodie Chauvet, Didier Gigmes, Yohann Guillaneuf, Agnès Chapotot, Jérôme Vinas, Pascal Dewael, Yves Vanderveken
  • Publication number: 20200291244
    Abstract: The invention pertains to an aqueous coating composition comprising: —an aqueous latex of a copolymer consisting essentially of recurring units derived (i) from vinylidene chloride (VDC), (ii) from vinyl chloride (VC), (iii) from one or more than one alkyl (meth)acrylate having from 1 to 12 carbon atoms in the alkyl group [monomer (MA)] and (iv) from one or more than one aliphatic alpha-beta unsaturated carboxylic acids [monomer (AA)], the proportion of recurring units derived from monomer (AA) being of at least 1.0 wt %, with respect to the total weight of the copolymer [copolymer (A)], wherein: (A) the said copolymer (A) is stable against dehydrochlorination, in a manner such that the total chloride content of the solid residue of the aqueous latex, after thermal treatment at about 120° C.
    Type: Application
    Filed: March 14, 2017
    Publication date: September 17, 2020
    Inventors: Yanzhong PAN, Agnès CHAPOTOT, Yves VANDERVEKEN
  • Publication number: 20190388872
    Abstract: The present invention concerns porous carbonaceous particles having pores including micropores and macropores, having a mean diameter, determined by laser diffraction, ranging from 15 to 100 ?m and porous carbonaceous monoliths comprising aggregates of said carbonaceous particles.
    Type: Application
    Filed: November 17, 2017
    Publication date: December 26, 2019
    Inventors: Vincent FINSY, Eric Pierre DUBOIS, Yves VANDERVEKEN, Agnès CHAPOTOT
  • Publication number: 20180355080
    Abstract: The invention pertains to an improved PVDC composition including certain dienophiles qualified for food contact, which possess an optimized balance of effectiveness in preventing discoloration upon exposure to radiation, with no negative impact on the barrier properties, in particular sorbate esters of formula (I), wherein R1 is a C1-C12 hydrocarbon group, preferably a C1-C6 alkyl group, to layers made therefrom, to multi-layer assemblies comprising the same, and to the use of said assemblies for packaging, in particular for packaging foodstuffs.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 13, 2018
    Inventors: Elodie CHAUVET, Didier GIGMES, Yohann GUILLANEUF, Agnès CHAPOTOT, Jérôme VINAS, Pascal DEWAEL, Yves VANDERVEKEN
  • Publication number: 20180355147
    Abstract: The invention pertains to an improved PVDC composition including certain cinnamate dienophiles qualified for food contact, which possess an optimized balance of effectiveness in preventing discoloration upon exposure to radiation, with no negative impact on the barrier properties, in particular cinnamates of formula (I), wherein: —each of R1, R2, R3, equal to or different from each other, is H or a C1-C12 hydrocarbon group, to layers made therefrom, to multi-layer assemblies comprising the same, and to the use of said assemblies for packaging, in particular for packaging foodstuffs.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 13, 2018
    Inventors: Elodie CHAUVET, Didier GIGMES, Yohann GUILLANEUF, Agnès CHAPOTOT, Jérôme VINAS, Pascal DEWAEL, Yves VANDERVEKEN
  • Publication number: 20120328806
    Abstract: A compostion comprising: at least one copolymer (A) of vinylidene chloride and of at least one comonomer copolymerizable therewith selected from butyl acrylates; and from 1 to 20% by weight, relative to the total weight of the composition, of at least one polymeric plasticizer (B) selected from polyesters derived from a polycondensation reaction of at least one aliphatic polycarboxylic acid and at least one polyhydroxylated aliphatic alcohol. The composition is suitable for the preparation of mono- or multi-layer films for the packaging of food products.
    Type: Application
    Filed: March 8, 2011
    Publication date: December 27, 2012
    Applicant: SOLVAY SA
    Inventors: Pascal Dewael, Agnes Chapotot, Yves Vanderveken