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. 10, 1994
Filed:
Mar. 12, 1992
Applicant:
Inventors:
Rolf Wehrmann, Krefeld, DE;
Geert Defieuw, Kessel-Lo, DE;
Emil Verdonck, Berlaar, BE;
Herman Uytterhoeven, Bonheiden, BE;
Rolf Dheim, Krefeld, DE;
Walter Schafer, Leichlingen, DE;
Assignee:
AGFA-Gevaert AG, Leverkusen, US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
503227 ; 428195 ; 4284231 ; 428913 ; 428914 ;
Abstract
Dye transfers of high color density, excellent sharpness and good stability are obtained in thermosublimation printing using a dye acceptor layer consisting essentially of a polyurethane formed by crosslinking and characterized in that the polyurethane contains at least 5% by weight urethane groups (--O--CO--NH--).