Patents by Inventor Maryvonne Brigodiot

Maryvonne Brigodiot 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).

  • Process for preparation of acrylic or methacrylic acid amides
    Patent number: 5973203
    Abstract: A process for preparing acrylic or methacrylic acid amides functionalized with a cationizable tertiary amine, by aminolysis of acrylic or methacrylic acid esters with the aid of enzymes.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: October 26, 1999
    Assignee: Coatex S.A.
    Inventors: Jean-Bernard Egraz, Jean-Marc Suau, Maryvonne Brigodiot-Ignazi, Isabelle Peixoto, Thierry Lalot
  • Anti-corrosion and anti-fouling marine coatings
    Patent number: 4480011
    Abstract: Coating composition for protecting bodies immersed in sea water, comprising(a): a sub-layer of chlorinated natural rubber, and(b): an external layer comprising a polymer with amide groups.An intermediate layer can be provided, said layer consisting of a modified chlorinated natural rubber.
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: October 30, 1984
    Assignee: Institut Francais du Petrole
    Inventors: Jean-Pierre Durand, Denise Nicolas, Francois Dawans, Ernest Mar/e/ chal, Maryvonne Brigodiot
  • Process for producing a macromolecular compound having a functional group at each end of the molecule
    Patent number: 4125692
    Abstract: Di or polyfunctional macromolecular compounds having a terminal functional group at each end of the molecule are produced by selectively cleaving the carbon-carbon double bonds of an unsaturated polymer by the oxidizing action of a ruthenium tetroxide oxidizing system. The compounds are useful as components in crosslinked plastics materials, in binders for rocket fuels, and as components in tri or polysequential copolymers.
    Type: Grant
    Filed: May 13, 1977
    Date of Patent: November 14, 1978
    Assignee: Etat Francais represented by the "Delegue General pour l'Armement"
    Inventors: Herve M. Cheradame, Jacques H. Garapon, Christian G. Guizard, Maryvonne Brigodiot