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, 2013
Filed:
Mar. 22, 2012
Makoto Honda, Tokyo, JP;
Tomoyuki Fujita, Tokyo, JP;
Kunio Watanabe, Tokyo, JP;
Daisuke Shirakawa, Tokyo, JP;
Makoto Honda, Tokyo, JP;
Tomoyuki Fujita, Tokyo, JP;
Kunio Watanabe, Tokyo, JP;
Daisuke Shirakawa, Tokyo, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
Obtaining a crosslinked rubber with high flexibility at low temperature includes crosslinking a fluororubber composition. The fluororubber composition includes a fluororubber and a compound of formula (X—)(Z—)Y. In the formula, X is U—(CF)O(CFCFO)—; Z is RO(CFCFO)—; Y is a (x+z) valent perfluoro saturated hydrocarbon group, optionally interrupted by an etheric oxygen atom; x is an integer of at least 3; z is an integer of at least 0; U is a monovalent group with an unsaturated hydrocarbon, a bromine atom, an iodine atom, or a combination thereof; Ris a Clinear perfluoroalkyl group, optionally interrupted by an etheric oxygen atom; a is an integer of from 0 to 20; b is an integer of from 1 to 200; and c is an integer of from 3 to 200.