Patents Examined by B. Dean, Jr.
  • Gasket/packing material with excellent adhesiveness and resistance to coolants
    Patent number: 5013781
    Abstract: A gasket and packing material which exhibits excellent adhesiveness to substrates and resistances to degradation of properties when exposed to hot hydrocarbon oils and coolants such as used in an automobile radiator are made by curing a composition which contains polydimethylsiloxane, an organopolysiloxane having R'.sub.3 SiO.sub.0.5 and SiO.sub.2 units or R'.sub.3 SiO.sub.0.5, R'.sub.2 SiO, and SiO.sub.2 units, an inorganic filler, an alkoxysilane adhesion promoter, and a ketoxime silicon compound crosslinker.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: May 7, 1991
    Assignee: Dow Corning Toray Silicone Company, Ltd.
    Inventors: Taro Koshii, Tetsuo Amemiya