Infrared-absorbing cyanine colorants for laser-colorant transfer

Details Infrared-absorbing cyanine colorants for laser-colorant transfer Infrared-absorbing cyanine colorants for laser-colorant transfer

1998-06-24

1999-10-26

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428913, 428914, B41M 5035, B41M 538

Patent

active

059728388

ABSTRACT:
A colorant-donor element for thermal colorant transfer comprising a support having thereon a colorant layer comprising a colorant dispersed in a binder, the colorant layer having associated therewith an infrared-absorbing cyanine colorant having a sulfonic acid group, the cyanine colorant having the following formula: ##STR1## wherein: each W independently represents the atoms necessary to form an optional 6-membered aromatic ring;

REFERENCES:
patent: 5126760 (1992-06-01), DeBoer

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