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:
Jun. 30, 2015
Filed:
Apr. 24, 2012
Applicants:
Yosuke Watanabe, Osaka, JP;
Orhan Ozturk, Osaka, JP;
Yasuo Uekita, Osaka, JP;
Inventors:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/20 (2006.01); B60C 1/00 (2006.01); C08K 5/17 (2006.01); C08L 21/00 (2006.01);
U.S. Cl.
CPC ...
C08K 5/20 (2013.01); Y10T 152/1081 (2015.01); Y10T 152/10495 (2015.01); B60C 1/00 (2013.01); C08K 5/17 (2013.01); B60C 1/0008 (2013.04); B60C 1/0016 (2013.04); B60C 1/0025 (2013.04); B60C 1/0041 (2013.04);
Abstract
A rubber composition obtained by kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component and a filler, and a method of improving the viscoelastic property of vulcanized rubber, comprising a first step of kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component, a filler and a sulfur component and a second step of thermally treating the kneaded material obtained in the previous step.