Patent EP0041024A1 successfully refreshed from Google Patents.
EP0041024A1
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EP
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Security paper for avoiding forgery by employing ball-point pens with erasable ink
Assignee: PAPETERIES DE VOIRON ET DES GORGES
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Filing: 1981-05-25
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Granted: —
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Expires: 2001-05-25
Abstract
Abstract The paper comprises, on the surface, microcapsules containing at least one solvent for the erasable ink.
Inventors
- 👤 Jean-Claude Proquin
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 21:48
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/40; D21H21/44; D21H21/46; B; B41; B41M; B41M3/00; B41M3/14; B41M5/00; B41M5/124; B41M5/165
Claims Analysis
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References Cited (Backward Citations)
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