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:
May. 31, 1977
Filed:
Feb. 09, 1976
Applicant:
Inventors:
Douglas Cameron Edwards, Sarnia, CA;
Erhardt Fischer, Sarnia, CA;
Assignee:
Polysar Limited, Sarnia, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C / ; C08F / ; C08J / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 342 ; 260 4255 ; 526 43 ; 526 45 ; 526 47 ;
Abstract
Synthetic rubber-black-plasticizer masterbatches are prepared in a particulate form, in contrast with their normal massed form, by a process which involves halogenating the rubber-black masterbatch after coagulation, but before addition of the plasticizer.