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:
Jun. 30, 2015
Filed:
Sep. 04, 2012
Applicants:
Bart Waumans, Puurs, BE;
Paul Callant, Edegem, BE;
Ingrid Geuens, Emblem, BE;
Inventors:
Assignee:
Agfa-Gevaert N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 (2006.01); G03C 8/00 (2006.01); B41M 3/14 (2006.01); B41M 5/26 (2006.01); B41M 5/323 (2006.01); B41M 5/34 (2006.01);
U.S. Cl.
CPC ...
B41M 3/14 (2013.01); B41M 3/142 (2013.01); B41M 5/267 (2013.01); B41M 5/323 (2013.01); B41M 5/34 (2013.01);
Abstract
A method of color laser marking a security document precursor including at least: a transparent biaxially stretched polyethylene terephthalate foil; at least one colorless color forming layer for generating a color different from black containing at least an infrared absorber a color forming compound and a polymeric binder; and a laser markable polymeric support or a laser markable layer for generating a black color; comprising the steps of: