Patents by Inventor Françoise Thenoz

Françoise Thenoz 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).

  • Adhesive latex based on carboxyl-functionalized polychloroprene with low water retention
    Patent number: 6756456
    Abstract: A process for the polymerization of chloroprene or of a mixture of chloroprene and of up to 20% by weight of a copolymerizable monomer, in aqueous emulsion in the presence of radical initiators, at a temperature of between 5° C. and 70° C., characterized in that the polymerization is carried out in the presence of one or more copolymerizable surfactants in agreement with the formula described below (I) R3—Z—CO—C(R1)═C(R2)—COOM  (I) where: R3 is a saturated or unsaturated, linear or branched and aliphatic or aromatic Cn hydrocarbonaceous chain with n from 10 to 20; R1 and R2, which are identical or different, are chosen from H or a C1-C3 alkyl radical; Z is chosen from —O— and —NH—; M is chosen from alkali metals or NH4.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: June 29, 2004
    Assignees: Enichem Elastomeres France S.A., Polimeri Europa S.p.A.
    Inventors: François Sauterey, Françoise Thenoz, Alain Guyot, Romano Lima, Piero Maestri, Francesco Masi
  • Adhesive latex based on carboxyl-functionalized polychloroprene with low water retention
    Publication number: 20030083430
    Abstract: The disclosure is made of a process for the polymerization of chloroprene or of a mixture of chloroprene and of up to 20% by weight of a copolymerizable monomer, in aqueous emulsion in the presence of radical initiators, at a temperature of between 5° C. and 70° C.
    Type: Application
    Filed: May 14, 2002
    Publication date: May 1, 2003
    Applicant: ENICHEM ELASTOMERES FRANCE S.A.
    Inventors: Francois Sauterey, Francoise Thenoz, Alain Guyot, Romano Lima, Piero Maestri, Francesco Masi