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:
Feb. 06, 1979
Filed:
Jun. 08, 1977
Applicant:
Inventors:
Christian Lindner, Cologne, DE;
Carlhans Suling, Odenthal, DE;
Gunter Arend, Dormagen, DE;
Dieter Brokmeier, Dormagen, DE;
Gunther Nischk, Dormagen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08F / ;
U.S. Cl.
CPC ...
526287 ; 260 / ; 526229 ; 526316 ;
Abstract
The invention relates to a copolymer comprising at least 40% by weight of copolymerized acrylonitrile and from 0.5 to 10% by weight of at least one copolymerized unsaturated ester of acetoacetic acid corresponding to the general formula: