Patents by Inventor Andre Viout

Andre Viout 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).

  • Polymers comprising vinyl esters-crotonic acid
    Patent number: 4129711
    Abstract: Copolymers of vinyl acetate, crotonic acid and an unsaturated ester or ether are employed in cosmetic compositions for the hair.
    Type: Grant
    Filed: August 1, 1975
    Date of Patent: December 12, 1978
    Assignee: L'Oreal
    Inventors: Andre Viout, Regine Pasero
  • Cosmetic composition containing essentially homogeneous vinyl acetate/crotonic acid copolymer
    Patent number: 3984536
    Abstract: A cosmetic composition for use as a hair lacquer or hair-setting lotion contains an essentially homogeneous vinyl acetate/crotonic acid copolymer, the macromolecular chains of which contain essentially the same content of each of vinyl acetate and crotonic acid along the entire length thereof. The content of each of vinyl acetate and crotonic acid does not vary more than 2.5% by weight relative to the average content of each in essentially all of the macromolecular chains, along essentially the entire length of each of said chains.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: October 5, 1976
    Assignee: L'Oreal
    Inventors: Andre Viout, Paul Roussopoulos, Christos Papantoniou
  • Magnesium salt copolymers of unsaturated dicarboxylic acid anhydride and unsaturated monomer having a lipophile chain
    Patent number: 3936427
    Abstract: Copolymers formed from an unsaturated dicarboxylic acid anhydride and an unsaturated monomer having a lipophile chain having a molecular weight of 4,000-100,000 are usefully employed to produce a water-in-oil emulsion which can be incorporated into cosmetic compositions.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: February 3, 1976
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Andre Viout, David Esanu, deceased, Lydie Esther Samama, administratrix