Patents Examined by Kwo-Liang Peng
  • Molding composition of siloxane capable of extending mold lifetime
    Patent number: 6617392
    Abstract: The present invention provides the molding composition of siloxane, which is capable of extending mold lifetime where inhibitors alkene or acetylene polymerization are mixed in the molds composed of siloxane. The inhibitors can effectively inhibit the release of alkene or acetylene when a resin containing an alkene or acetylene is poured into the molds which extends lifetime of molds composed of siloxane. The inhibitors are compounds containing primarily sulfur, wherein sulfur is the most effective.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: September 9, 2003
    Inventor: Wen-Chen Yang
  • Rubber composition and pneumatic tire using the same rubber composition
    Patent number: 6177503
    Abstract: The rubber composition of the present invention comprises a rubber component which is a blend rubber of a copolymer rubber and other diene based rubbers or the copolymer rubber alone, the copolymer rubber having a glass transition temperature of −60° C.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: January 23, 2001
    Assignee: Bridgestone Corporation
    Inventors: Shunji Araki, Kazuhiro Yanagisawa