Indoaniline dye mixture in dye-donor element for thermal dye tra

Details Indoaniline dye mixture in dye-donor element for thermal dye tra Indoaniline dye mixture in dye-donor element for thermal dye tra

1993-12-16

1994-11-29

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

053690800

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 cyan dyes, each of the dyes comprising a 2-carbamoyl-4-[N-(p-substituted aminoaryl)imino]-1,4-naphthoquinone, with the proviso that at least one dye is present at a concentration of at least 10 wt.% and that same dye also contains an alkyl group substituted with a group capable of intermolecular hydrogen bonding.

REFERENCES:
patent: 4695287 (1987-09-01), Evans et al.

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