Technique for labeling an object for its identification and/or v

Details Technique for labeling an object for its identification and/or v Technique for labeling an object for its identification and/or v

1994-11-01

1997-02-04

Bell, Janyce

Coating processes

Fraud or tamper detecting

427157, 427160, 427250, 427288, 427384, B41M 314

Patent

active

055995780

ABSTRACT:
The present invention is addressed to providing a simple, yet reliable method for labeling an object for its verification. The present invention includes applying a mark to said object with a visible ink which contains a first component which is visible to the naked eye and a second component which is invisible to the naked eye and comprises one or more of ultraviolet radiation (UV) dye which is visible only in the presence of selected ultraviolet radiation, an infrared (IR) dye which is visible only in the presence of selected infrared radiation, an ink which displays a selected measurable electrical resistivity, or a biologic marker. The applied mark has said first component which is visible to the naked eye and said second component which is invisible to the naked eye.

REFERENCES:
patent: 3886083 (1975-05-01), Laxer
patent: 4387112 (1983-06-01), Blach
patent: 4546595 (1985-09-01), Acitelli et al.
patent: 5139812 (1992-08-01), Lebacq

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