Mixture of indoaniline dyes in dye-donor element for thermal dye

Details Mixture of indoaniline dyes in dye-donor element for thermal dye Mixture of indoaniline dyes in dye-donor element for thermal dye

1993-12-16

1994-08-23

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428480, 428913, 428914, B41M 5035, B41M 538

Patent

active

053407903

ABSTRACT:
A cyan dye-donor element for thermal dye transfer imaging comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, wherein the dye comprises a mixture of at least two different 2-carbamoyl-4-[N-(p-aminoaryl)-imino]-1,4-naphthoquinone dyes, each of the dyes having the formula: ##STR1## with the proviso that at least 50% of the dye mixture is a dye having the formula: ##STR2## and with the further proviso that at least one of the other dyes in the mixture has the formula: ##STR3##

REFERENCES:
patent: 4695287 (1987-09-01), Evans et al.
patent: 4912084 (1990-03-01), Kanto et al.

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