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:
Nov. 30, 2004
Filed:
Jun. 10, 2003
Applicant:
Inventor:
Yasuhisa Osawa, Gunma-ken, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/708 ;
U.S. Cl.
CPC ...
C08G 7/708 ;
Abstract
A fluororubber composition comprising (A) a liquid perfluoro compound having at least two alkenyl groups and a divalent perfluorolakylene or perfluoropolyether structure, (B) a compound capable of addition reaction having at least two hydrosilyl groups, components (A) and (B) being combined and precured in the presence of an addition reaction catalyst to form a precured base, (C) a reinforcing filler, and (D) a peroxide crosslinking agent containing an isopropyl monocarbonate group has improved solvent resistance, chemical resistance, heat resistance and low-temperature properties, as well as satisfactory rubber physical properties, especially strength.