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:
Nov. 04, 2025
Filed:
May. 21, 2021
Applicant:
Sicpa Holding SA, Prilly, CH;
Inventors:
Assignee:
SICPA HOLDING SA, Prilly, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B42D 25/369 (2014.01); B05D 3/00 (2006.01); B05D 3/06 (2006.01); B05D 5/06 (2006.01); H01F 7/02 (2006.01);
U.S. Cl.
CPC ...
B05D 3/207 (2013.01); B05D 3/067 (2013.01); B05D 5/065 (2013.01); B42D 25/369 (2014.10); H01F 7/0205 (2013.01);
Abstract
The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides magnetic assemblies and methods for producing optical effect layers (OELs) on a substrate, said method comprising a step of exposing a coating composition comprising platelet-shaped magnetic or magnetisable pigment particles to the magnetic field of the magnetic assembly so as to bi-axially orient at least a part of the platelet-shaped magnetic or magnetisable pigment particles.