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:
Aug. 06, 1991
Filed:
Jul. 13, 1988
Applicant:
Inventors:
Volker Serini, Krefeld, DE;
Bernhard Schulte, Krefeld, DE;
Claus Burkhardt, Krefeld, DE;
Dieter Freitag, Krefeld, DE;
Uwe Hucks, Alpen, DE;
Werner Waldenrath, Cologne, DE;
Hans-Leo Weber, Rommerskirchen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
4002411 ; 524496 ; 524601 ; 528176 ; 528179 ; 528180 ; 528181 ; 528182 ; 528193 ; 528194 ;
Abstract
Films from aromatic polyesters and from aromatic polyestercarbonates are excellently suitable for preparing printing ribbons, in particular for thermal and electrothermal recording processes.