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.

Date of Patent:
Aug. 16, 1988

Filed:

Mar. 23, 1987
Applicant:
Inventors:

Takashi Hatanaka, Tokyo, JP;

Michitaka Takeshita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523215 ; 523202 ; 524 87 ; 524254 ; 524255 ; 524257 ; 524258 ; 524496 ;
Abstract

A rubber composition comprising 30-140 parts by weight of carbon black treated with a particular compound based on 100 parts by weight of rubber which provides an improved reinforcement property of the rubber composition and at the same time improvement of the efficiency of productivity in tire manufacturing.


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