Patents by Inventor Irene Q. Li

Irene Q. Li 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).

  • Glycidoxy-functional polymer cured with amine-functional organosilicon compound
    Patent number: 5977255
    Abstract: The present invention relates to a method for curing a hydrocarbon polymer having at least 2 glycidoxy groups in its molecule, said method comprising reacting the hydrocarbon polymer with a curing amount of an organosilicon compound having at least 2 nitrogen-bonded hydrogen groups as well as at least one silicon-bonded group selected from --R or --OR in its molecule, wherein R is selected from alkyl radicals having 8 to 18 carbon atoms or alkenyl radicals having 8 to 18 carbon atoms.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: November 2, 1999
    Assignee: Dow Corning Corporation
    Inventors: Irene Q. Li, Toshio Suzuki
  • In situ block copolymer formation during polymerization of a vinyl aromatic monomer
    Patent number: 5721320
    Abstract: The present invention is a free radical bulk polymerization process for producing a rubber modified polymer from a vinyl aromatic monomer comprising:polymerizing the vinyl aromatic monomer in the presence of a diene rubber having at least one stable free radical group, under polymerization conditions such that a vinyl aromatic-diene block and/or graft copolymer rubber is formed.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: February 24, 1998
    Assignee: The Dow Chemical Company
    Inventors: Duane B. Priddy, Irene Q. Li