Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cornelis Jan Delst0
Vladimir P. Raksha0
Date of Patent
April 2, 2024
0Patent Application Number
178390130
Date Filed
June 13, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
An assembly including a first magnet; a substrate positioned above the first magnet, and having a surface for receiving a composition including a plurality of magnetizable platelets; and a second magnet, positioned above the substrate is disclosed. The assembly can be used in a method of making an optical security element. The optical security element and the method of making the optical security element are also disclosed.
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