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:
Jul. 11, 1995
Filed:
Aug. 12, 1993
Applicant:
Inventors:
Iwakazu Hattori, Tokyo, JP;
Toshihiro Tadaki, Tokyo, JP;
Tatsuro Hamada, Tokyo, JP;
Fuji Yamanaka, Tokyo, JP;
Assignees:
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 99 ; 525 89 ; 525901 ;
Abstract
A rubber composition satisfying wear resistance and fracture properties as well as wet skid resistance, ice skid resistance and dry gripping property is provided by including at least 30% by weight of a rubber ingredient which consists of 100 parts by weight of a particular branched styrene-butadiene copolymer (A) and 15-100 parts by weight of a particular low molecular weight butadiene polymer (B) and has a Mooney viscosity of 30-100.