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:
Jul. 20, 1976
Filed:
Jul. 29, 1974
Applicant:
Inventors:
Thomas C Bouton, Akron, OH (US);
Shingo Futamura, Munroe Falls, OH (US);
Assignee:
The Firestone Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526335 ; 526 88 ; 526174 ;
Abstract
Inclusion of 200 - 3000 parts per million of a 1,2-diene in bulk polymerization or copolymerization of 1,3-butadiene with lithium-based catalysts enables the reaction to be carried out in large-size equipment without loss of temperature control.