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It has been found that Direct Black 163, a black, water soluble trisazo dye is useful as a stable, high density colorant in jet printer ink formulations.
English (United States)
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Jet Printer Inks
It has been found that Direct Black 163, a black, water soluble trisazo dye is
useful as a stable, high density colorant in jet printer ink formulations.
Exemplary ink formulation:
Direct Black 163 4.0%
Carbowax 200 7.0%
Direct Black 163 is manufactured by Sandoz, Ltd. and marketed as a leather
dye under the trade name Derma Carbon 2GT. Waterfastness and lightfastness
of the printed dye are equivalent to typical jet ink dyes.