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:
Sep. 01, 1987
Filed:
May. 02, 1986
Applicant:
Inventors:
Yasushi Hirata, Sayama, JP;
Hitoshi Kondo, Higashimurayama, JP;
Goro Yokoyama, Tokyo, JP;
Masaki Ohara, Wako, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524236 ;
Abstract
A rubber composition having improved reinforcing properties and low heat build-up is disclosed, which comprises 20-150 parts by weight of carbon black having IA of not less than 60 mg/g and DPB of not less than 75 ml/100 g and 0.1-3 parts by weight of at least one of p-nitroso-N-methylaniline, p-nitroso-N-ethylaniline and p-nitroso-N-propylaniline, based on 100 parts by weight of rubber.