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:
Dec. 30, 2014
Filed:
Dec. 06, 2011
Hubertus Van Aert, Pulderbos, BE;
Ingrid Geuens, Emblem, BE;
Paul Callant, Edegem, BE;
Bart Waumans, Puurs, BE;
Hubertus Van Aert, Pulderbos, BE;
Ingrid Geuens, Emblem, BE;
Paul Callant, Edegem, BE;
Bart Waumans, Puurs, BE;
Agfa-Gevaert N.V., Mortsel, BE;
Abstract
A security document precursor including, in order: a) at least one transparent biaxially stretched polyester foil; b) one colorless color forming layer containing at least an infrared absorber, a colorless dye-precursor and a polymeric binder; and c) a polymeric support; wherein the polymeric binder is copolymer including at least 90 wt % of a chlorinated ethylene and 1 wt % to 10 wt % of vinyl acetate both based on the total weight of the binder. Methods for making the security document precursor are also disclosed.