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:
Dec. 27, 2005
Filed:
Nov. 18, 2003
Yasuhisa Osawa, Gunma-ken, JP;
Hirofumi Kishita, Gunma-ken, JP;
Yasuhisa Osawa, Gunma-ken, JP;
Hirofumi Kishita, Gunma-ken, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure, (B) an organosilicon compound having at least two SiH groups, (C) a perfluoroparaffin or derivative in powder form, at least 80% by weight of which volatilizes off when held in a drier at 200° C. for 4 hours, and which has a melting point of at least 50° C., and (D) a hydrosilylation catalyst cures into a product that exhibits solvent resistance, chemical resistance, weather resistance, water repellency, oil repellency and heat resistance, and is improved in mold release and compression set.