Thermal transfer printing

Details Thermal transfer printing Thermal transfer printing

1989-04-24

1990-11-06

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428913, 428914, B41M 5035, B41M 526

Patent

active

049686577

ABSTRACT:
A thermal transfer printing sheet, suitable for use in a thermal transfer printing process, comprising a substrate having a coating comprising a dye of the formula: ##STR1## wherein X represents nitro or --COOR.sup.1 in which R.sup.1 is an optionally substituted hydrocarbyl radical;

REFERENCES:
European Search Report, Application No. EP 88 30 6645.
Abstract, JP-A-60 27 594, vol. 9, No. 152 (1985).
Abstract, JP-A-61 268 494, vol. 11, No. 115 (1986).
Chemical Abstract, J6 27594A, "Heat-Sensitive Transfer Recording Material--Based on Pyrido Azo Series Dye." Mitsubishi.
Chemical Abstract, J61 244595A, "Dye for Heat-Sensitive Transfer Recording--Comprises Cyano-Hydroxy-Pyridone-Azo-Phenyl Deriv." Mitsubishi.
Chemical Abstract, J6 152563A, "Pyridone Azo Series Heat-Sensitive Recording Dye-Stable to Light, Moisture and Chemicals." Mitsubishi.
Chemical Abstract, J61 262191A, "Sublimation Transfer Material--Contains 5-phenyl:azo-4-methyl 6-hydroxy Pyridin 2-one Deriv. as Dye.", Sumitomo.
Chemical Abstract, J63 39380A, "Heat-Sensitive Transfer Sheet--Contains Pyridone-Azo Series Dye on Base Film, for Sublimation Type Heat-Sensitive Recording", Mitsubishi.
Chemical Abstracts, J61 12393A, "Yellow Series Heat-Transfer Coloring Material --Comprises Pyridyl Mono-Azo Benzoate Deriv.", Mitsui Toatsu.
Chemical Abstract, J61 12394A, "Yellow Heat-Transfer Coloring Material--Comprises Pyrazole Diazo Cpd. Used in Transfer Printing Synthetic Fibre and Transfer Heat Recording." Mitsui Toatsu.

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