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. 28, 2004
Filed:
May. 12, 2003
Applicant:
Inventors:
Yoshiaki Aimura, Kawasaki, JP;
Suguru Ito, Kawasaki, JP;
Assignee:
Zeon Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/320 ;
U.S. Cl.
CPC ...
C08L 3/320 ;
Abstract
A rubber composition comprising a nitrile rubber and incorporated therein an organic sulfonic acid salt. A vulcanized rubber article obtained by vulcanization of the rubber composition exhibits a reduced deterioration in tensile strength and elongation when kept in a hot-temperature air atmosphere.