B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/6
B41M 5/26 (2006.01)
Patent
CA 1272878
THERMAL PRINT ELEMENT COMPRISING A YELLOW MEROCYANINE DYE STABILIZED WITH A CYAN INDOANILINE DYE Abstract of the Disclosure A thermal print element comprising a support having thereon a layer containing a thermally-transferred dye image, the dye image comprising a yellow merocyanine dye having the formula: Image wherein: A represents -COR, -COOR, -CONHR, -CN, -SO2R or -SO2NR2; or A may be combined together with R4 to form a heterocyclic or carbocyclic ring system; R4 represents -NHR, -NR2, -OR, -SR, or -R; n represents 0 or 1; Y represents the atoms necessary to complete 5- or 6-membered substituted or unsubstituted heterocyclic ring; and each R independently represents a substituted or unsubstituted alkyl or aryl group; the dye image also comprising a cyan indoaniline dye in the same areas as the yellow merocyanine dye to provide improved stability to light for the yellow merocyanine dye, the cyan indoaniline dye having the formula: Image wherein R1 and R2 are each independently hydrogen or a substituted or unsubstituted alkyl, cycloalkyl, or aryl group; R3 is hydrogen, a substituted or unsubstituted alkyl group, halogen, -NHCOR1 or -NHSO2R1; and X represents hydrogen or the atoms necessary to complete a 5- or 6-membered, substituted or unsubstituted, carbocyclic or heterocyclic ring system.
555229
Byers Gary W.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
LandOfFree
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