Patents Assigned to Phodia Chimie
  • Controlled structure copolymer comprising an amphoteric or zwitterionic part
    Patent number: 7737237
    Abstract: The present invention concerns a controlled structure copolymer comprising at least two different parts, a first part A, amphoteric or zwitterionic, including anionic or potentially anionic units, and cationic or potentially cationic units, or zwitterionic units, and another part B, non amphoteric or zwitterionic. Said copolymer further exhibits a high potential for adaptation, through variation in its composition, in order to improve or modify the properties of compositions in which it is introduced.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: June 15, 2010
    Assignee: Phodia Chimie
    Inventor: Mathias Destarac