Invention Grant
- Patent Title: Method for producing an optically variable security element
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Application No.: US17615796Application Date: 2020-05-29
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Publication No.: US11807029B2Publication Date: 2023-11-07
- Inventor: Andreas Rauch , Tobias Sattler , Winfried Hoffmuller
- Applicant: GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Applicant Address: DE Munich
- Assignee: GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Current Assignee: GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
- Current Assignee Address: DE Munich
- Agency: WORKMAN NYDEGGER
- Priority: DE 2019003947.5 2019.06.06
- International Application: PCT/EP2020/025253 2020.05.29
- International Announcement: WO2020/244806A 2020.12.10
- Date entered country: 2021-12-01
- Main IPC: B42D25/324
- IPC: B42D25/324 ; B42D25/373 ; B42D25/425 ; B42D25/445

Abstract:
A method for manufacturing an optically variable security element, so that for a viewer of the security element, a first color impression is created through the combination of at least the color effects of a first embossing lacquer layer and the coating, and a second, different color impression is created through the combination of the color effects of at least the first embossing lacquer layer, a second embossing lacquer layer and a coating.
Public/Granted literature
- US20220314681A1 METHOD FOR PRODUCING AN OPTICALLY VARIABLE SECURITY ELEMENT Public/Granted day:2022-10-06
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