Patents by Inventor Jean M Frechet

Jean M Frechet 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).

  • Home and personal care compositions comprising silicon-based lubricants
    Patent number: 7465439
    Abstract: A composition for personal, home, or laundry treatment comprising a polymer made up of one or more crosslinked rake or comb silicone copolymer segments. A process for making copolymers for use in such compositions involves hydrosilylation in the presence of a catalyst.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: December 16, 2008
    Assignee: Conopco, Inc.
    Inventors: Andrew Richard Avery, Dominique Charmot, Jean M Frechet, Damian Hajduk, Ezat Khoshdel, Mingjun Liu
  • Polyarylamine polymers
    Patent number: 5155200
    Abstract: A polyarylamine polymer represented by formula ##STR1## wherein: n is between about 5 and about 5,000, or 0 if p>0,o is between about 0 and about 5,000, or is 0 if p>0 or n=0,p is between about 2 and about 100, or is 0 if n>0,X' and X" are indendently selected from a group having bifunctional linkages,Q is a divalent group derived from certain hydroxy terminated arylamine reactants,Q' is a divalent group derived from a hydroxy terminated polyarylamine containing the group defined for Q and having a weight average molecular weight between about 1000 and about 80,000and the weight average molecular weight of the polyarylamine polymer is between about 10,000 and about 1,000,000.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: October 13, 1992
    Assignee: Xerox Corporation
    Inventors: William W. Limburg, Dale S. Renfer, John F. Yanus, Jean M. Frechet, Sylvie Gauthier, Dasarao K. Murti, Giuseppa Baranyi, Zoran D. Popovic, Rafik O. Loutfy
  • Electrophotographic imaging member utilizing polyarylamine polymers
    Patent number: 5030532
    Abstract: An electrostatographic imaging member comprising a support layer and at least one electrophotoconductive layer, said imaging member comprising a polyarylamine polymer represnted by the formula: ##STR1## wherein: n is between about 5 and about 5,000 or 0 if p>0,o is between about 9 and about 5,000, or is 0 if p>0 or n=0,p is between about 2 and about 100, or is 0 if n>0, X' and X" are independently selected from a group having bifunctional linkages,Q is a divalent group derived from certain hydroxy terminated arylamine reactants,Q' is a divalent group derived from a hydroxy terminated polyarylamine containing the group defined for Q and having a weight average molecular weight between about 1000 and about 80,000and the weight average molecular weight of the polyarylamine polymer is between about 10,000 and about 1,000,000.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: July 9, 1991
    Assignee: Xerox Corporation
    Inventors: William W. Limburg, Dale S. Renfer, John F. Yanus, Jean M. Frechet, Sylvie Gauthier, Dasarao K. Murti, Giuseppa Baranyi, Zoran D. Popovic, Rafik O. Loutfy