IR absorber for laser-induced thermal dye transfer

Details IR absorber for laser-induced thermal dye transfer IR absorber for laser-induced thermal dye transfer

1992-12-17

1993-10-26

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, 430200, 430201, 430945, B41M 5035, B41M 538

Patent

active

052566200

ABSTRACT:
This invention relates to a dye donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer comprising an image dye in a binder and an infrared-absorbing material associated therewith, and wherein the infrared-absorbing material is a telluro- or seleno-squarylium dye having the following formula: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently represents hydrogen or a substituted or unsubstituted alkyl, aryl or hetaryl group;

REFERENCES:
patent: 4942141 (1990-07-01), DeBoer et al.
patent: 5019549 (1991-05-01), Kellogg et al.
patent: 5153169 (1992-10-01), Freedman et al.

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