Arylidene pyrazolone dye-donor element for thermal dye transfer

Details Arylidene pyrazolone dye-donor element for thermal dye transfer Arylidene pyrazolone dye-donor element for thermal dye transfer

1989-01-30

1989-09-12

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

048660299

ABSTRACT:
A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye having the formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms;

REFERENCES:
patent: 4701439 (1987-10-01), Weaver

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