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:
Feb. 18, 1992
Filed:
Mar. 30, 1990
Applicant:
Inventors:
Suguru Tsuji, Tokyo, JP;
Toshiaki Saya, Kamakura, JP;
Shinji Komiyama, Yokohama, JP;
Hayato Furusho, Yokohama, JP;
Tetsu Ohishi, Tokyo, JP;
Mitsuhiro Tamura, Sagamihara, JP;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526228 ; 5262305 ; 526232 ; 5262323 ; 526338 ; 526295 ;
Abstract
In a process for producing a conjugated diene copolymer, the improvement in which when copolymerizing a conjugated diene monomer with an ethylenically unsaturated nitrile monomer, at least one compound selected from a bifunctional peroxide represented by formula