Patent FR2556867A1 successfully refreshed from Google Patents.
FR2556867A1
Expired / Lapsed
FR
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Method of security marking, materials provided with security marks, and their applications
Assignee: Individual
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Filing: 1983-12-14
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Granted: —
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Expires: 2003-12-14
Abstract
Abstract The invention relates to a method of security marking, using rare earths or composites of rare earths forming a code or a security mark, associated or not associated with other security marks, materials marked according to this method, and the application of this security marking to fiduciary documents or other materials.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 13:33
CPC Classifications
G; G09; G09F; G09F3/00; G07; G07D; G07D7/00; G07D7/06; G07D7/12; B; B41; B41M; B41M3/00; B41M3/14; B41M3/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB1233001A
Cited
EP0085414A1
Cited
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