Dyes and dye receiver elements for thermal dye transfer recordin

Details Dyes and dye receiver elements for thermal dye transfer recordin Dyes and dye receiver elements for thermal dye transfer recordin

1995-06-06

1997-12-16

Ivy, C. Warren

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Imagewise heating, element or image receiving layers...

430338, 430517, 430522, 430944, 430964, 503227, 546197, 546201, 548156, 548159, 548178, 548179, 548180, 548217, 5483047, 5483147, 548455, 548465, 548492, 548495, 548500, 548505, C03C 1725, C07D20918, C07D20902, B41M 520

Patent

active

056983646

ABSTRACT:
Dye-donor element for thermal dye transfer comprising at least one magenta dye having extremely low side absorption in the blue and red regions of the spectrum, said dye corresponding to the general formula (I) : ##STR1## wherein R.sup.1 is H, (cyclo)alkyl, or aryl; X represents the atoms completing a heterocycle; Z is an electron-withdrawing group; Y is an electron-withdrawing group or --N(R.sup.2)R.sup.3 ; R.sup.2 and R.sup.3 together represent the atoms completing a heterocycle; or R.sup.2 and R.sup.3 together represent .dbd.C(R.sup.4)R.sup.5, or each of R.sup.2 and R.sup.3 represents (same or different) (cyclo) alkyl, aryl, or an electron-withdrawing group; each of R.sup.4 and R.sup.5 (same or different) represents H, (cyclo)alkyl, aryl, a heterocycle, SO.sub.2 R.sup.6, COR.sup.6, CSR.sup.6, POR.sup.6 R.sup.7, OR.sup.8, NR.sup.8 R.sup.9, SR.sup.8, or R.sup.4 and R.sup.5 together represent the atoms completing an aliphatic ring or a heterocycle, each of R.sup.6 and R.sup.7 (same or different) represents (cyclo) alkyl, alkenyl, aryl group, alkyloxy, aryloxy, alkylthio, arylthio, amino, a heterocycle, or R.sup.6 and R.sup.7 together represent the atoms completing a 5- or 6-membered nucleus, and each of R.sup.8 and R.sup.9 (same or different) represents (cyclo) alkyl, alkenyl, aralkyl, aryl, a heterocycle, or R.sup.8 and R.sup.9 together represent the atoms completing a 5- or 6-membered nucleus.

REFERENCES:
patent: 4954478 (1990-09-01), Taguchi et al.
patent: 5026677 (1991-06-01), Vanmaele
patent: 5147844 (1992-09-01), Weber et al.
patent: 5168044 (1992-12-01), Shuttleworth et al.
patent: 5324621 (1994-06-01), Janssens et al.
patent: 5463045 (1995-10-01), Janssens et al.

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