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:
Mar. 14, 1978
Filed:
Sep. 02, 1975
Applicant:
Inventors:
June T Duke, Chagrin Falls, OH (US);
Dorothy C Prem, Warrensville Heights, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08L / ;
U.S. Cl.
CPC ...
260879 ; 260887 ; 526201 ; 526335 ;
Abstract
A polymerization process is described in which conjugated diolefin polymers are prepared by free-radical polymerization at improved rates by conducting the polymerization in a batch charge of all ingredients in aqueous emulsion in the presence of some preformed seed polymer having small particle size.