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:
Apr. 23, 1991
Filed:
Feb. 16, 1988
Itsuki Umeda, Tokyo, JP;
Masaaki Takashima, Tokyo, JP;
Yoshiaki Zama, Tokyo, JP;
Yasuhiko Takemura, Tokyo, JP;
Yuichi Funabashi, Gunma, JP;
Junichiro Watanabe, Gunma, JP;
Kiyoshi Takeda, Gunma, JP;
Makoto Matsumoto, Gunma, JP;
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Toshiba Silicone Co., Ltd., Tokyo, JP;
Abstract
A rubber composition obtained by compounding (B) from 0.005 to 50 parts by weight of an polyorganohydrogensiloxane and (C) from 0.00001 to 1 part by weight of a compound of a transition metal belonging to the group VIII with (A) 100 parts by weight of a rubber-forming polymer mainly comprising (I) from 3 to 70% by weight of a polyorganosiloxane represented by the formula: ##EQU1## wherein R represents a substituted or unsubstituted monovalent organic group, 0.02 to 10 mole % of which being a vinyl group; and a represents a number of from 1.900 to 2.004,