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:
May. 18, 2010
Filed:
Mar. 19, 2004
Satoshi Mikami, Kodaira, JP;
Kentaro Fujino, Kodaira, JP;
Yoichi Ozawa, Kodaira, JP;
Akira Suzuki, Kodaira, JP;
Satoshi Mikami, Kodaira, JP;
Kentaro Fujino, Kodaira, JP;
Yoichi Ozawa, Kodaira, JP;
Akira Suzuki, Kodaira, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
This invention relates to a rubber composition having a high interaction between rubber component and carbon black, a good wear resistance and an excellent low heat buildup (low hysteresis loss), and more particularly to a rubber composition comprising (A) 100 parts by mass of a rubber component containing not less than 10% by mass of a conjugated diene polymer having a polymer chain with at least one functional group selected from the group consisting of particular substituted amino group and cyclic amino group, (B) not less than 20 parts by mass of carbon black and (C) not more than 1.0 part by mass of a polycyclic aromatic compound (PCA).