Neutral-black dye-donor element for thermal dye transfer

Details Neutral-black dye-donor element for thermal dye transfer Neutral-black dye-donor element for thermal dye transfer

1987-11-20

1988-06-28

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 427146, 427256, 428195, 428480, 428913, 428914, B41M 5035, B41M 526

Patent

active

047539224

ABSTRACT:
A neutral-black dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a 1-((4-phenylazo)phenylazo)-8-amino-2-naphthol, such as one having the formula: ##STR1## wherein: each R.sup.1 is independently a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms, a substituted or unsubstituted aryl group of from about 5 to about 10 carbon atoms, or two R.sup.1 groups may be joined together with the N atom to which they are attached to form a 5- or 6-membered heterocyclic ring; and

REFERENCES:
patent: 4217102 (1980-08-01), Stingl
patent: 4412066 (1983-10-01), Allcock et al.

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