Invention Grant
- Patent Title: Plastic films for ID documents having improved properties for laser engraving and improved chemical resistance
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Application No.: US16472350Application Date: 2017-12-18
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Publication No.: US11198769B2Publication Date: 2021-12-14
- Inventor: Heinz Pudleiner , Georgios Tziovaras , Kira Planken , Stefan Janke , Christoph Köhler
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: Faegre Drinker Biddle & Reath LLP
- Priority: EP16206115 20161222
- International Application: PCT/EP2017/083367 WO 20171218
- International Announcement: WO2018/114836 WO 20180628
- Main IPC: C08J5/10
- IPC: C08J5/10 ; C08J5/18 ; B32B27/08 ; B32B27/36
Abstract:
The present invention relates to plastic films with improved laser engraving capability, chemical resistance and mechanical stress, special embodiments of such films in the form of co-extrusion films, layer structures comprising such films, use of such films, as well as security documents, preferably identification documents, containing such films.
Information query
