Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1996-01-25
1997-02-11
Krynski, William
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
283 72, 283 92, 428690, 428915, 428916, B32B 3100
Patent
active
056016832
ABSTRACT:
A photocopy-resistant document which has a background pattern or logo which is printed with solvent-sensitive, dye based ink and a method of making such a document. The presence of this photocopy-resistant background pattern or logo makes it impossible for a would-be forger of a face-value note such as a bank check to duplicate the original document as a color photocopy. It also makes it impossible for a printing plate to be made based on a photocopy of the document. Besides being photocopy-resistant, the indicia printed with the solvent-sensitive ink are washed away when acetone or bleach solvent is applied to the surface of the document. A fluorescence material can also be added to the solvent-sensitive ink to make the indicia printed with the ink fluorescent under black light.
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Clarke American Checks, Inc.
Krynski William
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