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:
Sep. 11, 1979
Filed:
Apr. 14, 1978
Applicant:
Inventors:
Gerhard Fahrbach, Plankstadt, DE;
Karl Gerberding, Ludwigshafen, DE;
Erhard Seiler, Ludwigshafen, DE;
Dieter Stein, Limburgerhof, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525122 ; 525123 ; 525153 ; 525386 ; 525284 ; 525359 ; 525304 ; 525314 ; 525342 ;
Abstract
Branched block copolymers of from 60 to 95 percent by weight of a monovinyl-aromatic compound and from 40 to 5 percent by weight of a conjugated diene. The branched block copolymers have a structure of the general formula