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.

Date of Patent:
Oct. 13, 1981

Filed:

Dec. 04, 1980
Applicant:
Inventors:

Gunter Helling, Siegburg, DE;

Wilhelm Saleck, Bergisch-Gladbach, DE;

Peter Bergthaller, Cologne,all of, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430569 ; 430609 ; 430629 ;
Abstract

A polymer of at least one compound A with at least one compound B, in which A and B correspond to the following formulae ##STR1##


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