ASSEMBLIES AND PROCESSES FOR PRODUCING OPTICAL EFFECT LAYERS COMPRISING ORIENTED NON-SPHERICAL OBLATE MAGNETIC OR MAGNETIZABLE PIGMENT PARTICLES
Patent №
US 11,660,902
Granted
2023-05-30
Filed 2020
Owner
SICPA HOLDING SA
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
16641975
The present invention relates to the field of optical effect layers (OEL) including magnetically oriented non-spherical oblate magnetic or magnetizable pigment particles on a substrate, spinneable magnetic assemblies and processes for producing optical effect layers (OEL). In particular, the present invention relates to spinneable magnetic assemblies and processes for producing OELs as anti-counterfeit means on security documents or security articles or for decorative purposes.
AI classification
Ownership
SICPA HOLDING SA
assignment · 519260851
Assignors
AMERASINGHE, CÉDRIC, MUELLER, EDGAR, LOGINOV, EVGENY, SCHMID, MATHIEU, DESPLAND, CLAUDE-ALAIN
On an employer assignment, the assignors are typically the inventors.