Dyestuff for heat-sensitive transfer record and transfer sheet c

Details Dyestuff for heat-sensitive transfer record and transfer sheet c Dyestuff for heat-sensitive transfer record and transfer sheet c

1992-07-31

1994-10-25

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Diffusion transfer dyeing process, transfer sheet and product

Dry heat treatment for penetration

8639, 8640, 8642, 8662, B41M 526, C09B 5600

Patent

active

053585364

ABSTRACT:
According to the present invention, there can be provided a black dyestuff for heat-sensitive transfer record comprising at least one orange dyestuff represented by the formula

REFERENCES:
patent: 4013405 (1977-03-01), Donenfeld
patent: 4224026 (1980-09-01), Reinhardt
patent: 4289694 (1981-09-01), Belfort
patent: 5126311 (1992-06-01), Evans et al.
CA 112:22338z, 22 Jan. 1990, Kraska et al, "Disperse Blue azo dyes derived from 3-amino-5-nitro-2,1-benzisotheazole"p. 80 (abstract).
CA 112:120598d, 2 Apr. 1990, Kraska et al, "Blue Disperse nitrobenzisothiazole azo dyes for polyester fibers" p. 89 (abstract).
Sokolowska-Gajda, "The Application of Some Alkyl Esters of Alkoxy Derivatives of N-Benzyl-N-phenyl-.beta.-alanine in the Synthesis of 3-Amino-5-nitro[2,1]benzisothiazole-Based Dyes", Dyes and Pigments 18 (1992) No. 2 pp. 103-113.
Janssens et al "Thermal Dye Transfer" Dec. 1990 Res. Discl., 320, pp. 928-939.

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