Patents by Inventor Claire Brachais

Claire Brachais 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).

  • Amphiphilic copolymers useful especially as emulsifiers
    Patent number: 7144947
    Abstract: The invention concerns copolymers of the poly(styrene)-poly(ethylene-butylene)-poly(styrene) type wherein the central poly(ethylene-butylene) sequence has been modified by chemical grafting of hydrophilic groups to make them amphiphilic. The invention also concerns a method for preparing said novel amphiphilic copolymers and their use in particular emulsifying agent or absorbent.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: December 5, 2006
    Assignee: Laboratories d'Hygiene et de Dietetique
    Inventors: Elise Camus, Claire Brachais, Stéphane Auguste