Dye for heat-sensitive transfer record, ink composition for heat

Record receiver having plural interactive leaves or a colorless – Having plural interactive leaves

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428195, 428913, 428914, B41M 5035, B41M 538

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active

052964450

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: 4820685 (1989-04-01), Murata
Patent Abstracts of Japan, vol. 12, No. 464, (M-771) (3311), Dec. 6, 1988, JP-A-63 189 289, (Mitsubishi Kasei Corp.), Aug. 4, 1988.
Patent Abstracts of Japan, vol. 12, No. 454, (M-769) (3301), Nov. 29, 1988, JP-A-63 182 192 (Mitsubishi Kasei Corp.), Jul. 17, 1988.
Patent Abstracts of Japan, vol. 7, No. 191 (C-182) (1336), Aug. 20, 1983, JP-A-58 093 778 (Sumitomo Kagaku Kogyo K.K.), Jun. 3, 1983.

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