Infrared absorbing quinoid dyes for dye-donor element used...

Details Infrared absorbing quinoid dyes for dye-donor element used... Infrared absorbing quinoid dyes for dye-donor element used...

B - Operations, Transporting

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42/6

B41M 5/28 (2006.01) B41M 5/40 (2006.01) B41M 5/46 (2006.01)

Patent

CA 2018774

-0- INFRARED ABSORBING QUINOID DYES FOR DYE-DONOR ELEMENT USED IN LASER-INDUCED THERMAL DYE TRANSFER Abstract A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer which also contains an infrared-absorbing material which is different from the dye, and wherein the infrared-absorbing material is a quinoid dye derived from an anthraquinone or naphthoquinone having the following formula: Image or Image wherein: Z represents the atoms necessary to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; each R independently represents hydrogen, a substituted or unsubstituted alkyl or alkoxy group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; m is 4; and n is 2.

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