Invention Grant
- Patent Title: System consisting of two UV-curing dry-transfer coating layers for the protection of a hologram in a photopolymer film composite
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Application No.: US16611407Application Date: 2018-05-07
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Publication No.: US11640136B2Publication Date: 2023-05-02
- Inventor: Serguei Kostromine , Thomas Rölle , Thomas Fäcke , Karl Vetterle
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: The Webb Law Firm
- Priority: EP17170206 20170509
- International Application: PCT/EP2018/061709 WO 20180507
- International Announcement: WO2018/206498 WO 20181115
- Main IPC: G03H1/02
- IPC: G03H1/02 ; G11B7/24044 ; G11B7/254 ; B32B27/30
Abstract:
The invention relates to a scaled holographic medium comprising a layer construction B′-C1′-C2′, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.
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