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:
Nov. 24, 1987
Filed:
Dec. 05, 1985
Applicant:
Inventors:
Yoshio Tanimoto, Chiba, JP;
Kohichi Iketani, Chiba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525313 ; 525192 ; 525232 ; 525289 ;
Abstract
A rubber composition excellent in processabilities such as rolling processability and extrusion processability before vulcanization and excellent in weather resistance and heat resistance and high in hardness after vulcanization is disclosed. This rubber composition comprises 100 parts by weight of an ethylene..alpha.-olefin copolymer rubber and/or an isobutylene-isoprene rubbers, 3 to 60 parts by weight of a polybutadiene rubber which is liquid at room temperature and/or a polyisoprene rubber which is liquid at room temperature and 3 to 35 parts by weight of sulfur.