Method of minimizing absorption of visible light in ink...

Details Method of minimizing absorption of visible light in ink... Method of minimizing absorption of visible light in ink...

2004-08-09

2008-09-09

Wilson, James O. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07423145

ABSTRACT:
The present invention provides a method of minimizing absorption of visible light in an ink composition comprising an IR-absorbing metal cyanine dye, said method comprising preselecting said dye such that said metal has at least one axial ligand bound thereto, wherein said axial ligand comprises a moiety suitable for reducing intermolecular interactions between adjacent dye molecules. The method is especially suitable for use in connection with netpage and Hyperlabel systems.

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Dymetman, M., and Copperman, M., “Intelligent Paper in Electronic Publishing, Artist Imaging, and Digital Typography, Proceedings of EP '98”, Mar./Apr. 1998, Springer Verlag LNCS 1375, pp. 392-406.

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