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:
Oct. 25, 1983
Filed:
Feb. 18, 1983
Applicant:
Inventors:
Shizuo Kitahara, Kawaguchi, JP;
Yoshitsugu Hirokawa, Yokohama, JP;
Haruki Kawada, Yokohama, JP;
Toshihiro Fujii, Yokohama, JP;
Nagatoshi Sugi, Yokohama, JP;
Hiroaki Hasegawa, Yokohama, JP;
Akira Yoshioka, Kamakura, JP;
Assignee:
Nippon Zeon Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525154 ; 525262 ; 525301 ; 260756 ; 260762 ;
Abstract
A process for modifying a rubber, which comprises reacting a rubber having an unsaturated carbon linkage with an organic compound having a carboxyl group and an aldehyde group in the presence of an acid catalyst.