Patents by Inventor Christophe Fringant

Christophe Fringant 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: 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
  • 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
  • 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
  • Patent number: 8324298
    Abstract: The present invention relates to a composition of at least one vinylidene chloride polymer, a process for preparing such a composition, a process for preparing articles, in particular films, which includes the use of such a composition and also the film comprising such a composition and the packaging or bag formed from this film.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: December 4, 2012
    Assignee: Solvay (Societe Anonyme)
    Inventors: Pascal Dewael, Christophe Fringant, Yves Vanderveken
  • Patent number: 8324322
    Abstract: Polymer composition comprising: 1) a polymer (P1) comprising at least 50% by weight of monomeric units derived from an ethylenically unsaturated monomer (M1), and 2) at least one co-oligomer (O1) comprising at least: a) a component (A) comprising at least one monomeric unit identical to that derived from the monomer (M1) on which the polymer (P1) is based, and b) a component (B) comprising at least one monomeric unit (m2), derived from an ethylenically unsaturated monomer, carrying at least one group chosen from the following groups: —CaH2a+1 with a between 6 and 30; —(CH2)b—CcF2c+1 with b between 1 and 11 and c greater than or equal to 5; —(CH2)d—(Si(CH3)2—O)e—Si(CH3)3 with d between 1 and 11 and e between 1 and 1000; —COOH; —SO3H, and the phosphonate groups —PO(OH)(OR1) with R1 being a hydrogen atom or an alkyl radical containing from 1 to 11 carbon atoms.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: December 4, 2012
    Assignee: Solvay (Societe Anonyme)
    Inventors: Christophe Fringant, Vincent Bodart, Berengere Rixens, Romain Severac, Yves Hervaud, Patrick Lacroix-Desmazes, Bernard Boutevin
  • Publication number: 20100135601
    Abstract: Vinylidene chloride polymer composition characterized in that it comprises: (A) at least one vinylidene chloride polymer; (B) from 1 to 50% by weight, relative to the total weight of the composition, of at least one ?-caprolactone polymer, of which at least one is characterized by a molecular weight less than or equal to 10 000 g/mol; and (C) from 0.1 to 7% by weight, relative to the total weight of the composition, of epoxidized soybean oil. Process for preparing said composition; process for preparing articles, in particular films, which includes the use of said composition. Single-layer or multilayer film comprising said composition and packaging or bag formed from this film.
    Type: Application
    Filed: September 4, 2007
    Publication date: June 3, 2010
    Applicant: SOLVAY (SOCIETE ANONYME)
    Inventors: Pascal Dewael, Christophe Fringant, Yves Vanderveken
  • Publication number: 20090292071
    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: Application
    Filed: July 4, 2007
    Publication date: November 26, 2009
    Applicant: SOLVAY (Societe Anonyme)
    Inventors: Christophe Fringant, Yves Vanderveken, Patrick Lacroix-Desmazes, Jeff Tonnar
  • Publication number: 20090202760
    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: Application
    Filed: September 4, 2007
    Publication date: August 13, 2009
    Applicant: SOLVAY (SOCIETE ANONYME)
    Inventors: Christophe Fringant, Pascal Dewael, Yves Vanderveken
  • Publication number: 20090054583
    Abstract: The aqueous dispersion, characterized in that it comprises 1) at least one vinylidene chloride polymer (P1) and 2) at least one random, alternating or gradient copolymer (C1) comprising 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 is chosen from hydrogen and the methyl radical and R3 is chosen from the —CN radical and the —CO—R4 radical in which R4 is chosen from the —OH radical, the —O—R5 radicals with R5 chosen from the linear or branched alkyl radicals comprising from 1 to 18 carbon atoms which optionally carry one or more —OH radicals, the epoxyalkyl radicals comprising from 2 to 10 carbon atoms a
    Type: Application
    Filed: October 4, 2006
    Publication date: February 26, 2009
    Applicant: Solvay SA
    Inventors: Christophe Fringant, Yves Vanderveken, Cedric Loubat, Gilles Boutevin
  • Publication number: 20070218207
    Abstract: Polymer composition comprising: 1) a polymer (P1) comprising at least 50% by weight of monomeric units derived from an ethylenically unsaturated monomer (M1), and 2) at least one co-oligomer (01) comprising at least: a) a component (A) comprising at least one monomeric unit identical to that derived from the monomer (Ml) on which the polymer (P1) is based, and b) a component (B) comprising at least one monomeric unit (m2), derived from an ethylenically unsaturated monomer, carrying at least one group chosen from the following groups: —CaH2a+1 with a between 6 and 30; —(CH2)b—CeF26+1 with b between 1 and 11 and c greater than or equal to 5; —(CH2)d—(Si(CH3)2—O)e—Si(CH3)3 with d between 1 and 11 and e between 1 and 1000; —COOH; —SO3H, and the phosphonate groups —PO(OH)(OR1) with RI being a hydrogen atom or an alkyl radical containing from 1 to 11 carbon atoms.
    Type: Application
    Filed: September 22, 2004
    Publication date: September 20, 2007
    Applicant: Solvay (Societe Anonyme)
    Inventors: Christophe Fringant, Vincent Bodart, Berengere Rixens, Romain Severac, Yves Hervaud, Patrick Lacroix-Desmazes, Bernard Boutevin
  • Publication number: 20070142527
    Abstract: Composition containing (a) a synthetic resin and (b) a filler, the filler containing (b1) at least one inorganic substance having a specific surface area higher than or equal to 15 m2/g and (b2) at least one surface-active agent and/or one coating agent. Method for producing the composition. Use of the composition for the production of films, and films obtained starting with this composition.
    Type: Application
    Filed: November 12, 2004
    Publication date: June 21, 2007
    Applicant: SOLVAY (SOCIETE ANONYME)
    Inventors: Roberto Rosa, Yves Vanderveken, Karine Cavalier, Didier Sy, Christophe Fringant, Josselin Bobet