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. 13, 1979
Filed:
Feb. 16, 1977
Applicant:
Inventors:
Yoshikazu Torigoe, Yokkaichi, JP;
Noboru Ohshima, Yokkaichi, JP;
Masaaki Watanabe, Yokkaichi, JP;
Eitaro Okuya, Mie, JP;
Assignee:
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526174 ; 526180 ; 526181 ; 526225 ;
Abstract
A process for preparing conjugated diene polymers by either polymerization of one or more monomers selected from a group of conjugated diene compounds or copolymerization of a conjugated diene compound with an alkenyl aromatic compound, using an organolithium initiator in a hydrocarbon solvent, characterized in that the polymerization is carried out in the presence of
Torigoe, Yoshikazu. (1979). Process for preparing conjugated diene polymers (U.S. Patent No. 4139690). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4139690
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile