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. 04, 2009
Filed:
Oct. 13, 2004
Wonmun Choi, Hiratsuka, JP;
Tomoyuki Matsumura, Hiratsuka, JP;
Naoya Amino, Hiratsuka, JP;
Kazuhiro Takase, Hiratsuka, JP;
Daisuke Kanenari, Hiratsuka, JP;
Takeshi Hotaka, Hiratsuka, JP;
Junichirou Natori, Hiratsuka, JP;
Wonmun Choi, Hiratsuka, JP;
Tomoyuki Matsumura, Hiratsuka, JP;
Naoya Amino, Hiratsuka, JP;
Kazuhiro Takase, Hiratsuka, JP;
Daisuke Kanenari, Hiratsuka, JP;
Takeshi Hotaka, Hiratsuka, JP;
Junichirou Natori, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A rubber composition containing 100 parts by weight a sulfur-vulcanizable rubber (A) and 0.1 to 30 parts by weight of a vulcanization agent of a cyclic polysulfide (B) having the formula (I): wherein R is a substituted or unsubstituted Cto Calkylene group, substituted or unsubstituted Cto Coxyalkylene group or alkylene group having an aromatic ring, n is an integer of 1 to 20, x is a number of 2 to 6 on average.