Cyan dyes in dye-donor elements for thermal dye transfer

Details Cyan dyes in dye-donor elements for thermal dye transfer Cyan dyes in dye-donor elements for thermal dye transfer

1990-04-16

1991-06-04

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, B41M 5035, B41M 526

Patent

active

050213938

ABSTRACT:
Dye-donor element for use according to thermal dye transfer methods, said element comprising a support having thereon a dye/binder layer comprising a 1,4-quinonediimine cyan dye, which may carry a fused on aromatic, alicyclic, or heterocyclic ring system, wherein the hydrogen atom of the 1-imino function is substituted by a carboxylic acyl group, a substituted carboxylic acid group, an alkyl ester group, a substituted alkyl ester group, an aryl ester group, a substituted aryl ester group, a carbamoyl group, a substituted carbamoyl group, a substituted phosphono group, a substituted phosphinyl group, a substituted sulphonyl group, a sulpho group, a substituted sulpho group, a sulphamoyl group, or a substituted sulphamoyl group, the hydrogen atom of the 4-imino function being substituted by a p-aminoaryl group or a substituted p-aminoaryl group.

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

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