Dyes and dye-donor elements for use in thermal dye transfer

Details Dyes and dye-donor elements for use in thermal dye transfer Dyes and dye-donor elements for use in thermal dye transfer

1993-03-22

1994-06-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430201, 430338, 430522, 430964, 8471, 503227, G03C 554, G03C 172, G03C 516

Patent

active

053246012

ABSTRACT:
Dye-donor element for use according to thermal dye transfer comprising at least one dye corresponding to the general formula (I): ##STR1## wherein Z is --CN, --COOR.sup.1 or --CONR.sup.2 R.sup.3 ; R.sup.1 is --H, (cyclo) alkyl, or aryl; R.sup.2 and R.sup.3 is --H, (cyclo)alkyl, aryl, or R.sup.2 and R.sup.3 together represent the atoms necessary to complete a heterocyclic nucleus; R.sup.4 and R.sup.5 is --H, (cyclo)alkyl, aryl, a heterocyclic ring, SO.sub.2 R.sup.8, COR.sup.8, CSR.sup.8, POR.sup.8 R.sup.9, OR.sup.6, NR.sup.6 R.sup.7, SR.sup.6, or R.sup.4 and R.sup.5 together represent the atoms necessary to complete a aliphatic ring, a heterocyclic ring including a heterocyclic ring carrying a fused-on aliphatic or aromatic ring; R.sup.6 and R.sup.7 is (cyclo)alkyl, aryl, alkenyl, aralkyl, aryl, a heterocyclic group, or R.sup.6 and R.sup.7 together represent the atoms necessary to complete a 5- or 6-membered ring; R.sup.8 and R.sup.9 is (cyclo)alkyl, aryl, alkenyl, aryl, a heterocyclic group, alkyloxy, aryloxy group, alkylthio, arylthio, amino, a heterocyclic group, or R.sup.8 and R.sup.9 together represent the atoms necessary to complete a 5- or 6-membered ring; and X represents a substituted nitrogen atom or a substituted carbon atom.

REFERENCES:
patent: 5026677 (1991-06-01), Vanmaele
patent: 5192737 (1993-03-01), Kubodera et al.

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