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:
Jun. 25, 1985
Filed:
Mar. 25, 1983
Applicant:
Inventor:
Richard L Smith, Bartlesville, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526201 ; 526335 ; 526340 ;
Abstract
A method of producing a conjugated diene polymer comprising polymerizing monomers comprising at least one conjugated diene hydrocarbon under solution polymerization conditions such that substantially all of said monomers are polymerized, terminating the thus formed polymer to deactivate substantially all of the active polymer lithium, and then polymerizing additional portions of said monomers in solution with at least a portion of the terminated polymer under conditions such that substantially all of said additional monomers are polymerized.