Coating processes – Transfer or copy sheet making – Reactive components
Patent
1995-08-18
1996-10-22
Higel, Floyd D.
Coating processes
Transfer or copy sheet making
Reactive components
8639, 106 145, 106 22R, 106 23R, 106 21D, 427144, 427146, 427148, 427153, 462 67, 534788, 534831, 534832, 534847, 534852, B41M 526, B41M 312
Patent
active
055674704
ABSTRACT:
A blue dyestuff represented by the formula (2) ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is independently a hydrogen atom, halogen atom, nitro group, hydroxy group, alkyl group which may have a substituent, alkoxy group, alkylsulfonylamino group or alkylcarbonylamino group, and each of R.sub.4 and R.sub.5 is independently an alkyl group which may have a substituent, and a heat-sensitive transfer sheet containing the above-mentioned dyestuff.
REFERENCES:
patent: 3455898 (1969-07-01), Seefelder et al.
patent: 3573273 (1971-03-01), Seefelder et al.
patent: 3919188 (1975-11-01), Hagen et al.
patent: 4013405 (1977-03-01), Donenfeld
patent: 4289694 (1981-09-01), Belfort
patent: 4774076 (1988-09-01), Reinhardt
patent: 5126311 (1992-06-01), Evans et al.
CA 112:22338z no date available.
CA 112;120598d no date available.
Sokolowska-Gajda, "The Application of Some Alkyl Esters . . . ", Dyes and Pigments 18 (1992) No. 2, pp. 103-113.
Johnson et al., "Thermal Dye Transfer", Dec. 1990, Res. Discl, 320, pp. 927-939.
Ghoda Isamu
Koshida Hitoshi
Ohyama Tsukasa
Takuma Keisuke
Higel Floyd D.
Mitsui Toatsu Chemicals Incorporated
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