Patents by Inventor Yves Vanderveken

Yves Vanderveken 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: 20210347936
    Abstract: A polymer composition [composition (M)], said composition (M) comprising i) at least one polyglycolic acid polymer [polymer (PGA)] and ii) at least one amorphous polyester [polymer (APES)], said polymer (APES) being present in the composition (M) in an amount of at least 0.10 and of at most 45 wt %, with respect to the combined weight of polymer (PGA) and polymer (APES). Method of making such composition and method of producing a multilayer stretched product from such composition.
    Type: Application
    Filed: November 7, 2019
    Publication date: November 11, 2021
    Inventors: Pascal DEWAEL, Yves VANDERVEKEN
  • 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
  • Patent number: 10982110
    Abstract: The present invention relates to a process for preparing a vinylidene chloride polymer composite comprising a vinylidene chloride polymer and clay materials. The process comprises polymerising vinylidene chloride and clay materials and the resulting vinylidene chloride polymer particle is surrounded by a plurality of clay platelets. The clay materials according to the present invention function as a solid stabilizer in the process for preparing a vinylidene chloride polymer composite of the present invention. The present invention further relates to the vinylidene chloride polymer composite obtainable from the process, to use of the vinylidene chloride polymer composite for the preparation of films, and to films prepared therefrom.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: April 20, 2021
    Assignees: Solvay SA, Centre National de la Recherche Scientifique, Université Claude Bernard Lyon 1, Ecole Supérieure de Chimie Physique Electronique de Lyon, Ezus Lyon
    Inventors: Pierre-Emmanuel Dufils, Isabelle Chaduc, Laura Delafresnaye, Elodie Bourgeat-Lami, Muriel Lansalot, Jérôme Vinas, Yves Vanderveken
  • Publication number: 20210024673
    Abstract: Process for the preparation of a vinylidene chloride polymer comprising polymerizing vinylidene chloride and optionally at least one ethylenically unsaturated monomer copolymerizable therewith under the control of a RAFT agent of formula (II).
    Type: Application
    Filed: May 11, 2020
    Publication date: January 28, 2021
    Inventors: Jerome VINAS, Emilie VELASQUEZ, Pierre-Emmanuel DUFILS, Jutta RIEGER, François STOFFELBACH, Muriel LANSALOT, Franck D'AGOSTO, Bernadette CHARLEUX, 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: 20200190255
    Abstract: The invention pertains to an improved branched glycolic acid copolymer, comprising recurring units derived from an aromatic dicarboxylic acid, which has an appropriate rheological profile so as to be successfully used in combination with standard polyester resins for obtaining multi-layer containers having thin barrier layers.
    Type: Application
    Filed: December 19, 2017
    Publication date: June 18, 2020
    Inventors: Ishan MEHTA, Gururajan PADMANABAN, Kanu BARAD, 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: 20180346750
    Abstract: The present invention relates to a process for preparing a vinylidene chloride polymer composite comprising a vinylidene chloride polymer and clay materials. The process comprises polymerising vinylidene chloride and clay materials and the resulting vinylidene chloride polymer particle is surrounded by a plurality of clay platelets. The clay materials according to the present invention function as a solid stabilizer in the process for preparing a vinylidene chloride polymer composite of the present invention. The present invention further relates to the vinylidene chloride polymer composite obtainable from the process, to use of the vinylidene chloride polymer composite for the preparation of films, and to films prepared therefrom.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 6, 2018
    Inventors: Pierre-Emmanuel DUFILS, Isabelle CHADUC, Laura DELAFRESNAYE, Elodie BOURGEAT-LAMI, Muriel LANSALOT, Jérôme VINAS, Yves VANDERVEKEN
  • Patent number: 9850364
    Abstract: Process for the preparation of a vinylidene chloride polymer composite comprising a solid particulate encapsulated in the vinylidene chloride polymer. The process comprises providing a dispersion of a solid particulate material in a liquid phase, said dispersion comprising a RAFT/MADIX agent; providing vinylidene chloride and optionally one or more ethylenically unsaturated monomer copolymerizable therewith to said dispersion; and polymerizing vinylidene chloride and said optionally present one or more ethylenically unsaturated monomer under the control of said RAFT/MADIX agent to form polymer at the surface of said solid particulate material.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: December 26, 2017
    Assignees: Solvay SA, Centre National De La Recherche Scientifique, Ecole Nationale Superieure De Chimie De Montpellier, Universite De Montpellier 2
    Inventors: Jérôme Vinas, Pierre-Emmanuel Dufils, Jérôme Garnier, Patrick Lacroix-Desmazes, Alex Van Herk, Jérôme Warnant, Yves Vanderveken
  • Patent number: 9228045
    Abstract: Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. Process for preparing a chlorinated vinyl polymer latex by radical polymerization in aqueous emulsion of at least one chlorinated vinyl monomer, according to which the polymerization takes place in the presence of at most 3% by weight, expressed relative to the total weight of the monomers, of the PMMA seed latex.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 5, 2016
    Assignee: SOLVAY (Societe Anonyme)
    Inventors: Peter Claassen, Roland Offner, Benoit Faye, Yves Vanderveken
  • Patent number: 8969491
    Abstract: An aqueous dispersion containing a vinylidene chloride polymer (P1) containing vinylidene chloride in a proportion of at least 50% by weight, and at least one random, alternating or gradient copolymer (C1) having: a) at least one monomer unit (m1) carrying at least one phosphonate group —PO(OH)(OR1) with R1 being a hydrogen atom or an alkyl radical comprising from 1 to 11 carbon atoms, and b) monomer units (m2) which represent at least 50% by weight of the copolymer (C1), derived from at least one monomer (M2) chosen from styrene, maleic anhydride, itaconic acid and the (meth)acrylic monomers corresponding to the general formula CH2=CR2R3 in which R2 and R3 are described herein, copolymer (C1) not containing monomer units derived from vinylidene chloride.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: March 3, 2015
    Assignee: Solvay SA
    Inventors: Christophe Fringant, Yves Vanderveken, Cedric Loubat, Gilles Boutevin
  • Publication number: 20140371370
    Abstract: Process for the preparation of a vinylidene chloride polymer composite comprising a solid particulate encapsulated in the vinylidene chloride polymer. The process comprises providing a dispersion of a solid particulate material in a liquid phase, said dispersion comprising a RAFT/MADIX agent; providing vinylidene chloride and optionally one or more ethylenically unsaturated monomer copolymerisable therewith to said dispersion; and polymerising vinylidene chloride and said optionally present one or more ethylenically unsaturated monomer under the control of said RAFT/MADIX agent to form polymer at the surface of said solid particulate material.
    Type: Application
    Filed: December 18, 2012
    Publication date: December 18, 2014
    Inventors: Jérome Vinas, Pierre-Emmanuel Dufils, Jérome Garnier, Patrick Lacroix-Desmazes, Alex Van Herk, Jérome Warnant, Yves Vanderveken
  • Publication number: 20140364558
    Abstract: Process for the preparation of a vinylidene chloride polymer comprising polymerizing vinylidene chloride and optionally at least one ethylenically unsaturated monomer copolymerizable therewith under the control of a RAFT agent of formula (II).
    Type: Application
    Filed: December 18, 2012
    Publication date: December 11, 2014
    Inventors: Jérme Vinas, Emilie Velasquez, Pierre-Emmanuel Dufils, Jutta Rieger, Francois Stoffelbach, Muriel Lansalot, Franck D'Agosto, Bernadette Charleux, Yves Vanderveken
  • Publication number: 20140357791
    Abstract: Process for the preparation of a vinylidene chloride polymer composite comprising a clay material encapsulated in the vinylidene chloride polymer. The process comprises providing a dispersion of a clay material in a liquid phase, said dispersion comprising a RAFT/MADIX agent; providing vinylidene chloride and optionally one or more ethylenically unsaturated monomer copolymerisable therewith to said dispersion; and polymerising vinylidene chloride and said optionally present one or more ethylenically unsaturated monomer under the control of said RAFT/MADIX agent to form polymer at the surface of said clay material.
    Type: Application
    Filed: December 18, 2012
    Publication date: December 4, 2014
    Inventors: Jérome Vinas, Pierre-Emmanuel Dufils, Yves Vanderveken
  • Patent number: 8623952
    Abstract: Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. Process for preparing a chlorinated vinyl polymer latex by radical polymerization in aqueous emulsion of at least one chlorinated vinyl monomer, according to which the polymerization takes place in the presence of at most 3% by weight, expressed relative to the total weight of the monomers, of the PMMA seed latex.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: January 7, 2014
    Assignee: SOLVAY (Societe Anonyme)
    Inventors: Peter Claassen, Roland Offner, Benoît Faye, Yves Vanderveken
  • Patent number: 8609771
    Abstract: Process for preparing a composition of a vinylidene chloride polymer and at least one ?-caprolactone polymer according to which: a) during the preparation of the vinylidene chloride polymer by polymerization of the vinylidene chloride and at least one comonomer that is copolymerizable with it, at least one ?-caprolactone polymer, preformed in a medium other than that of the vinylidene chloride polymerization, is added; and b) optionally, in addition, at least one ?-caprolactone polymer is added to the vinylidene chloride polymer isolated at the end of step a). Process for preparing articles, in particular films, which includes the use of a composition prepared by the aforementioned process. Single-layer or multilayer film comprising said composition and packaging or bag formed from this film.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: December 17, 2013
    Assignee: Solvay (Societe Anonyme)
    Inventors: Christophe Fringant, Pascal Dewael, Yves Vanderveken
  • Publication number: 20130274402
    Abstract: Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. Process for preparing a chlorinated vinyl polymer latex by radical polymerization in aqueous emulsion of at least one chlorinated vinyl monomer, according to which the polymerization takes place in the presence of at most 3% by weight, expressed relative to the total weight of the monomers, of the PMMA seed latex.
    Type: Application
    Filed: June 13, 2013
    Publication date: October 17, 2013
    Inventors: Peter CLAASSEN, Roland Offner, Benoit Faye, Yves Vanderveken
  • Patent number: 8541524
    Abstract: Process of controlled free-radical polymerization in aqueous dispersion for the preparation of a block copolymer at least one block of which is a block of a halogenated polymer using molecular iodine and at least one oxidant whose solubility in water is at least 10 g/l for the synthesis of the first block of the block copolymer.
    Type: Grant
    Filed: July 4, 2007
    Date of Patent: September 24, 2013
    Assignee: Solvay (Societe Anonyme)
    Inventors: Christophe Fringant, Yves Vanderveken, Patrick Lacroix-Desmazes, Jeff Tonnar