Dye for heat-sensitive transfer record and ink composition for h

Details Dye for heat-sensitive transfer record and ink composition for h Dye for heat-sensitive transfer record and ink composition for h

1993-12-14

1995-02-07

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

106 22H, C07D215227

Patent

active

053876865

ABSTRACT:
A dyestuff for heat-sensitive transfer record is here disclosed which can be represented by the formula (1) ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl group having 1 to 8 carbon atoms or cycloalkyl group; R.sub.2 is a hydrogen atom, halogen atom, alkoxy group which may be substituted, alkylthio group which may be substituted or arylthio group which may be substituted; R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, O-substituted oxycarbonyl group, N-substituted aminocarbonyl group in which an N-substituted group may form a ring, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom; and when R.sub.1 is a hydrogen atom, R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom;
and there are also disclosed an ink for heat-sensitive transfer record and a transfer sheet in which the above-mentioned dyestuff is used.

REFERENCES:
patent: 4588517 (1986-05-01), Kaneko et al.
patent: 4820685 (1989-04-01), Murata
patent: 5026505 (1991-06-01), Kaneko et al.
Patent Abstracts of Japan 63-182192 (1988).
Patent Abstracts of Japan 58-93778(A) (1983).
Patent Abstracts of Japan 63-189289 (1988).
Konishi et al, Chemical Abstracts, vol. 83 (1975) 98460m.

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