Patents by Inventor Ghenwa Bouhadir

Ghenwa Bouhadir 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).

  • Method for block polymer synthesis by controlled radical polymerization from dithiocarbamate compounds
    Patent number: 6812291
    Abstract: Chain end functionalized block copolymers having low polydispersity index are produced via controlled free radial polymerization of dithiocarbamates.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: November 2, 2004
    Assignee: Rhodia Chimie
    Inventors: Pascale Corpart, Dominique Charmot, Samir Zard, Xavier Franck, Ghenwa Bouhadir
  • Synthesis method for block polymers by controlled radical polymerization from dithioester compounds
    Patent number: 6545098
    Abstract: The invention concerns a method for preparing, by radical polymerisation, block polymers of general formula (1), which consists in contacting: an ethylenically unsaturated monomer of formula CYY′(═CW—CW′)a═CH2: and a precursor compound of general formula (II): a radical polymerization initiator.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: April 8, 2003
    Assignee: Rhodia Chimie
    Inventors: Ghenwa Bouhadir, Dominique Charmot, Pascale Corpart, Samir Zard