Composition and method for detecting counterfeit paper currency

Details Composition and method for detecting counterfeit paper currency Composition and method for detecting counterfeit paper currency

1993-07-13

1995-02-28

Bell, Janyce

Coating processes

Fraud or tamper detecting

106 21A, 106 21C, 427288, 427384, 436 94, G01N 3122

Patent

active

053935560

ABSTRACT:
A composition for detecting the starch content in counterfeit paper currency comprising an aqueous-alcohol solution of iodine and acetic acid and method of applying same to paper currency genuine or counterfeit. In other embodiments, phenolthalien and bromine are included.

REFERENCES:
patent: 3663243 (1972-05-01), Stryker et al.
patent: 5017226 (1991-05-01), Kulisz
patent: 5261954 (1993-11-01), Collings

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