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. 21, 2012
Filed:
Jun. 08, 2009
Applicant:
Tomoyuki Sakai, Kanagawa, JP;
Inventor:
Tomoyuki Sakai, Kanagawa, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/14 (2006.01); C08L 51/08 (2006.01); C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a rubber composition blended with an inorganic filler, the rubber composition having an improved dispersibility of the inorganic filler, as well as improved low heat generation property and tensile stress. The rubber composition includes a blend of: 100 parts by weight of a diene rubber; 1 to 150 parts by weight of an inorganic filler; and 0.1 to 30 parts by weight of a copolymer composed of a segment composed of a polyamide polymer and a segment composed of a diene polymer. The segment composed of the diene polymer has a number average molecular weight of not less than 10000.