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. 21, 1991
Filed:
Jun. 13, 1989
Applicant:
Inventors:
Norbert Mecke, Hanover, DE;
Heinrich Krauter, Neustadt, DE;
Assignee:
Pelikan Aktiengesellschaft, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428336 ; 428195 ; 428484 ; 4284881 ; 428522 ; 428913 ; 428914 ;
Abstract
A thermal transfer ribbon, suitable for printing of multiple sharp impressions, employs as the binder for its fusible colorant layer an olefin/vinyl ester copolymer, particularly an ethylene/vinyl acetate copolymer having the ratio of vinyl acetate units to ethylene units of about 0.01 to 0.07. The ribbon is conveniently made by coating a solution of this polymer, with the colorant substance dissolved or dispersed therein, onto a substrate such as a synthetic polyester film.