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:
Oct. 03, 2017
Filed:
Aug. 18, 2015
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Masashi Hamakubo, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/19 (2006.01); C08K 5/14 (2006.01); C08K 3/36 (2006.01); C08J 3/20 (2006.01);
U.S. Cl.
CPC ...
C08K 5/19 (2013.01); C08J 3/203 (2013.01); C08K 3/36 (2013.01); C08K 5/14 (2013.01); C08J 2323/16 (2013.01);
Abstract
A rubber composition according to the present invention includes at least a rubber component, which includes an ethylene propylene diene rubber, a peroxide crosslinking agent, and amorphous silica and further includes not less than 0.3 parts by mass of a quaternary ammonium salt with respect to 100 parts by mass of the amorphous silica. A rubber molded article according to the present invention is constituted of the rubber composition.