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. 28, 1984
Filed:
Jul. 26, 1982
Applicant:
Inventors:
Yasumasa Takeuchi, Yokkaichi, JP;
Mitsuhiko Sakakibara, Yokkaichi, JP;
Nobuo Tagata, Yokkaichi, JP;
Masaki Ogawa, Sayama, JP;
Yasushi Hirata, Higashimurayama, JP;
Shigeru Tomihira, Kodaira, JP;
Assignees:
Bridgestone Tire Co., Ltd., Tokyo, JP;
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525233 ; 524420 ; 525235 ; 525236 ; 525237 ; 526142 ; 526153 ; 526157 ; 5263404 ;
Abstract
A rubber composition having excellent fracture properties and cut growth resistance is disclosed, which consists of 10-95 parts by weight of polybutadiene having a content of cis-1,4 bond of at least 70% and an average chain length of 1,4-sequence of 110-450 and 90-5 parts by weight of at least one diene rubber.