B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/6
B41M 5/28 (2006.01) B41M 5/40 (2006.01) B41M 5/46 (2006.01)
Patent
CA 2018246
-i- INFRARED ABSORBING OXONOL 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 and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxonol dye. In a preferred embodiment, the oxonol dye has the following formula: Image or Image wherein: R1, R2 and R3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, carbamoyl, sulfonyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R1, R2 and R3 groups may be joined together to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic -ii- ring; or either R1 or R2 may be joined to R4 or R6 to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or R2 or R3 may be joined to R5 or R7 to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; each R4 and R5 independently represents hydrogen, halogen, cyano, alkoxy, aryloxycarbonyl, alkoxycarbonyl, carbamoyl, sulfamoyl, sulfonyl, acyl, nitro or a substituted or unsubstituted alkyl, aryl or hetaryl group; R6 and R7 each independently represents alkoxy, aryloxy, alkylamino, arylamino, or a substituted or unsubstituted alkyl, aryl or hetaryl group; Y1 and Y2 each independently represents sulfur, oxygen or NR, where R is a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms, or a substituted or unsubstituted aryl or hetaryl group; n is 1 to 3; m is 3 to 5; and X is a monovalent cation.
Deboer Charles D.
Evans Steven
Deboer Charles D.
Eastman Kodak Company
Evans Steven
Gowling Lafleur Henderson Llp
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