Method for producing security marks and security marks

Details Method for producing security marks and security marks Method for producing security marks and security marks

2006-04-18

2006-04-18

Stein, Stephen (Department: 1775)

Stock material or miscellaneous articles

Composite

Of metal

C428S195100, C428S480000, C283S072000, C283S074000, C283S094000, C283S107000, C283S109000

Reexamination Certificate

active

07029757

ABSTRACT:
The invention concerns a method for producing security marks on a support having a first face and a second face opposite said first face which consists in the following steps: high resolution printing with a varnish on the support first face; treating the support by electrolysis; washing and drying the support.

REFERENCES:
patent: 5112672 (1992-05-01), Kaule et al.
patent: 5324079 (1994-06-01), Kaule et al.
patent: 5634669 (1997-06-01), Colgate, Jr.
patent: 5876068 (1999-03-01), Schneider et al.
patent: 2780915 (2000-01-01), None
patent: 95/27925 (1995-10-01), None

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