Ink composition

Details Ink composition Ink composition

1997-06-24

1998-07-21

Bonner, Melissa

Compositions

Inorganic luminescent compositions with organic...

25230135, 106 3132, 106 3164, C09K 1108, C09D 522

Patent

active

057831084

ABSTRACT:
An ink composition comprising an ultraviolet radiation curable carrier incorporating a coloured base pigment which emits visible radiation of a first wavelength, and a quantity of luminescent pigment which emits visible radiation by phosphorescent decay or under illumination by long-wave ultraviolet radiation at a second wavelength wherein the concentration of said luminescent pigment is higher than that required just to ensure the visible escape of luminescent radiation from said composition.

REFERENCES:
patent: 4481422 (1984-11-01), DeMarco et al.
patent: 5478381 (1995-12-01), Ohiwa et al.

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