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:
Aug. 08, 2006
Filed:
Jan. 07, 2003
Takashi Matsuda, Gunma-ken, JP;
Yasuhisa Osawa, Gunma-ken, JP;
Noriyuki Koike, Gunma-ken, JP;
Yasunori Sakano, Gunma-ken, JP;
Takashi Matsuda, Gunma-ken, JP;
Yasuhisa Osawa, Gunma-ken, JP;
Noriyuki Koike, Gunma-ken, JP;
Yasunori Sakano, Gunma-ken, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
A crosslinkable fluororubber composition comprising (A) a polymer of the formula: Z-(Rf-Q)—Rf-Z wherein n is an integer of at least 1, Rf is a divalent perfluoroalkylene or perfluorooxyalkylene radical, Q is a divalent organic radical, and Z is a monovalent organic radical, having a viscosity of at least 1,000 Pa·s at 25° C., (B) a reinforcing filler, and (C) a peroxide crosslinking agent is effectively roll milled and experiences minimal changes of viscosity after milling. Molded parts can be produced on a mass scale.