EP0043552A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Tamper-proof identification card with thermoplastic covering film
Assignee: Hoechst AG
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Filing: 1981-07-01
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Granted: —
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Expires: 2001-07-01
Abstract
Abstract A thermoplastic protective film for use in the manufacture of forgery-resistant identification documents, comprising a base layer and a cover layer comprising a partially hydrolyzed olefin/vinyl ester copolymer. The cover-layer side of the film is laminated under the action of heat to the identification document.
Inventors
- 👤 Hermann Dr. Dallmann
- 👤 Hans Josef Dr. Palmen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 11:57
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/10; B32B27/08; B32B27/28; B32B27/30; B32B27/304; B32B27/34; B32B27/36; B32B27/365; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/455; B42D25/465; B42D25/47; B32B2270/00; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2310/00; B32B2310/14; B32B2317/00; B32B2317/12; B32B2327/00; B32B2327/06; B32B2331/00; B32B2367/00; B32B2369/00; B32B2377/00; B32B2554/00; B42D2033/04; B42D2033/30; B42D2035/06; B42D25/46; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10S428/916; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/31504; Y10T428/31507; Y10T428/31551; Y10T428/31573; Y10T428/31576; Y10T428/31725; Y10T428/31739; Y10T428/31743; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928; Y10T428/31935; Y10T428/31938
Claims Analysis
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References Cited (Backward Citations)
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