Patents Assigned to Vicodrive Japan, Ltd.
  • Viscous coupling fluids
    Patent number: 5374363
    Abstract: The shortcomings inherent in prior art coupling fluids are eliminated by combining 1) a polyorganosiloxane fluid as the base oil with 2) sulfur or certain sulfur compounds and 3) at least one cyclic organosiloxane. These three ingredients form a suitable coupling fluid for use in viscous coupling systems.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: December 20, 1994
    Assignees: Dow Corning Asia, Ltd., Vicodrive Japan, Ltd., Cosmo Oil Co, Ltd.
    Inventors: Masahiko Fukuda, Teiji Masuda, Kenichi Sekine, Manabu Tohyama, Norio Yano, Yukio Yuhashi