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. 11, 2012
Filed:
Feb. 05, 2009
Applicant:
Clive Edward Lawrence, London, GB;
Inventor:
Clive Edward Lawrence, London, GB;
Assignee:
Sun Chemical B.V., Weesp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A value document, such as a banknote, is printed using a printing ink or varnish comprising an aqueous dispersion of a preferably aliphatic polycarbonate polyurethane and/or a polyether or polyester polycarbonate polyurethane copolymer having a particle size range from 10 to 400 nm and an acid value no greater than 10 mg KOH/g.