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:
Dec. 07, 1999
Filed:
Feb. 18, 1999
Applicant:
Inventor:
Takatsugu Hashimoto, Tokyo, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 64 ;
Abstract
A rubber composition is a mixture of 100 parts by weight of at least one rubber component selected from the group consisting of a natural rubber and a synthetic rubber and 1 to 120 parts by weight of a softening agent containing 0.1 to 4% by weight of asphaltene. The rubber composition simultaneously has a high high-loss property, a high fracture property and a good workability.