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:
May. 18, 2021
Filed:
Jan. 26, 2017
Applicant:
Sicpa Holding SA, Prilly, CH;
Inventors:
Assignee:
SICPA HOLDING SA, Prilly, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/037 (2014.01); B41M 3/14 (2006.01); B41M 1/10 (2006.01); C09D 11/03 (2014.01); C08K 5/3475 (2006.01); C08K 9/10 (2006.01); C09D 11/10 (2014.01);
U.S. Cl.
CPC ...
C09D 11/037 (2013.01); B41M 1/10 (2013.01); B41M 3/14 (2013.01); C09D 11/03 (2013.01); C08K 5/3475 (2013.01); C08K 9/10 (2013.01); C09D 11/10 (2013.01);
Abstract
The present invention relates to the field of magnetic machine readable oxidative drying suitable for intaglio printing of security documents. In particular, the invention relates to magnetic oxidative drying ink for intaglio printing on a substrate, said magnetic oxidative drying ink having a viscosity in the range of about 3 to about 60 Pa s at 40° C. and 1000 sand comprising a) at least one oxidative drying varnish, b) a plurality of core-shell pigment particles comprising a magnetic core and an external layer made of silver and c) one or more stabilizers selected from benzotriazole compounds.