The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 1990
Filed:
May. 27, 1988
Applicant:
Inventors:
Hiromu Minamitani, Saitama, JP;
Norio Yano, Chiba, JP;
Atsushi Ikezawa, Kanagawa, JP;
Toshio Kanayama, Kanagawa, JP;
Takashi Ushijima, Kanagawa, JP;
Masao Teraoka, Tochigi, JP;
Osamu Ishikawa, Tochigi, JP;
Assignees:
Cosmo Oil Co., Ltd., Tokyo, JP;
Dow Corning Kabushiki Kaisha, Kanagawa, JP;
Tochigifujisangyo Kabushiki Kaisha, Tochigi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
2523 / ; 252 45 ; 252 47 ;
Abstract
A fluid composition for use in a viscous coupling is provided, which comprises (A) a base oil made of a polyorganosiloxane fluid having a viscosity of from about 500 to about 500,000 centistokes at 25.degree. C., and (B) at least one component selected from the group consisting of sulfur and sulfur compounds (b) to (g) listed below being added in a minor amount to said base oil;