B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/34 (2006.01) B41M 5/035 (2006.01) B41M 5/26 (2006.01)
Patent
CA 2052661
MAGENTA PYRAZOLYLAZOANILINE DYE-DONOR ELEMENT FOR THERMAL DYE TRANSFER Abstract of the disclosure A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a a magenta pyrazolylazoaniline dye having the formula: Image wherein: R1 and R2 each independently represents hydrogen, a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an allyl group, with the proviso that R1 and R2 may not both be hydrogen at the same time; or R1 may be joined together with X to complete a 5- to 6-membered heterocyclic ring; X represents hydrogen, R5, or OR5, or can be joined together with R1 as described above; Y represents hydrogen, R6, OR6, halogen, or NHJR6; J represents -CO-, -CO2-, -SO2-, or -CONR4-; R3 represents a substituted or unsubstituted alkyl or allyl group as described above for R1 and R2; or a substituted or unsubstituted aryl or hetaryl group of from 5 to about 10 atoms; each R4 independently represents hydrogen or R3; R5 represents alkyl, allyl, aryl or hetaryl as described above for R3; R6 represents alkyl, allyl, aryl or hetaryl as described above for R3; with the proviso that one of R3, R4, R5 or R6 is an alkyl group of 1 to about 6 carbon atoms substituted with a group capable of intermolecular hydrogen bonding.
Chapman Derek D.
Evans Steven
Chapman Derek D.
Eastman Kodak Company
Evans Steven
Gowling Lafleur Henderson Llp
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