Infrared absorbing merocyanine dyes for dye-donor element used i

Details Infrared absorbing merocyanine dyes for dye-donor element used i Infrared absorbing merocyanine dyes for dye-donor element used i

1989-06-16

1990-08-21

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, 430200, 430201, 430202, 430945, B41M 5035, B41M 526

Patent

active

049506404

ABSTRACT:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a merocyanine dye. In a preferred embodiment, the merocyanine dye has the following formula: ##STR1## wherein R represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or a substituted or unsubstituted aryl or hetaryl group having from about 5 to about 10 atoms;

REFERENCES:
patent: 2177402 (1939-10-01), Brooker
J. Am. Chem. Soc., 73,5326 (1951), (Brooker et al.).

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