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 2018038
-i- INFRARED ABSORBING BIS(AMINOARYL)POLYMETHINE 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 a bis(aminoaryl)polymethine dye which is located in the dye layer. In a preferred embodiment, the bis(aminoaryl)polymethine dye has the following formula: Image wherein: R1, R2 and R3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, 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 or with an adjacent aromatic ring to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; -ii- R4, R5, R6 and R7 each independently represents hydrogen, a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; or R4 and R5 or R6 and R7 may be joined together to form a 5- to 7-membered heterocyclic ring; or R4, R5, R6 or R7 may be joined to the carbon atom of the adjacent aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form, along with the nitrogen to which they are attached, a 5 or 6-membered heterocyclic ring; n is 1 to 5; X is a monovalent anion; Z1 and Z2 each independently represents R1 or the atoms necessary to complete a 5- to 7-membered fused carbocyclic or heterocyclic ring; and m and p are each 4.
Deboer Charles D.
Evans Steven
Deboer Charles D.
Eastman Kodak Company
Evans Steven
Gowling Lafleur Henderson Llp
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