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EP0019191A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Security paper

Assignee: BBC Brown Boveri AG Germany
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Filing: 1980-05-06
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Granted: —
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Expires: 2000-05-06
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Abstract

Abstract 1. Security paper in which a coated, foil-like carrier (11) provided with perforations (12) and whose width is less than the width of the paper was embedded during a production stage in the manufacture of the paper (10) from paper-forming fibres, characterised in that the length of the carrier (11) is also less than the length of the paper (10), that the carrier (11) consists of polyimide foil, and that it is provided with an electronic circuit (13) from thin film circuit technique or hybrid circuit technique.

Inventors

  • 👤 Rainer Dipl.-Phys. Berthold
  • 👤 Rainer Strietzel

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 08:24
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/40; D21H21/44; D21H21/48; B; B32; B32B; B32B3/00; B32B3/26; B32B3/266; B32B15/00; B32B15/04; B32B15/12; B32B29/00; B32B29/002; B32B29/06; G; G07; G07C; G07C9/00; G07C9/20; G07C9/28; G07D; G07D7/00; G07D7/01; G07D7/02; G07D7/023; G07F; G07F7/00; G07F7/08; G07F7/086; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/046

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE2152090B2 Cited
DE2156888A1 Cited
DE2633164A1 Cited

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