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. 04, 2018
Filed:
May. 17, 2016
Applicant:
Agfa-gevaert, Mortsel, BE;
Inventors:
Dirk Kokkelenberg, Mortsel, BE;
Lionel Petton, Mortsel, BE;
Johan Loccufier, Mortsel, BE;
Fabienne Goethals, Mortsel, BE;
Assignee:
AGFA-GEVAERT, Morstel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/323 (2006.01); B41M 3/14 (2006.01); B41M 5/333 (2006.01); B42D 25/373 (2014.01); B42D 25/382 (2014.01); B42D 25/41 (2014.01); B41M 5/34 (2006.01); B41M 5/40 (2006.01); C09D 11/50 (2014.01); B41M 5/337 (2006.01); B42D 25/23 (2014.01); B42D 25/387 (2014.01);
U.S. Cl.
CPC ...
B41M 3/142 (2013.01); B41M 5/323 (2013.01); B41M 5/333 (2013.01); B41M 5/3331 (2013.01); B41M 5/345 (2013.01); B41M 5/40 (2013.01); B42D 25/373 (2014.10); B42D 25/382 (2014.10); B42D 25/41 (2014.10); C09D 11/50 (2013.01); B41M 5/3375 (2013.01); B41M 2205/04 (2013.01); B42D 25/23 (2014.10); B42D 25/387 (2014.10);
Abstract
A laser markable composition includes (a) an aqueous medium; (b) a leuco dye; (c) an optothermal converting agent; and (d) a color developing agent, characterized in that the color developing agent is a polymer particle capable of forming an acid upon exposure to heat.