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. 10, 1999
Filed:
Feb. 25, 1998
Applicant:
Inventors:
Gerhard Schwenk, Puchheim, DE;
Ulrich Scholz, Munich, DE;
Ulrich Magg, Feldgeding, DE;
Johannes Leist, Munich, DE;
Assignee:
Giesecke & Devrient GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428207 ; 428211 ; 4284231 ; 428327 ; 428690 ; 428916 ;
Abstract
The present invention relates to a data carrier which contains a novel pigment composition which is preferably applied to the data carrier in the form of a coding. The pigment composition comprises a dye and a solid resin. The dye is bound in the solid resin. The resin is produced as the reaction product obtained from an oligomerized polyisocyanate and a mixture of polyfunctional compounds with active hydrogen.
Schwenk, Gerhard. (1999). Data carrier (U.S. Patent No. 5935693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5935693
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile