Monoazo dye for thermal transfer printing

Details Monoazo dye for thermal transfer printing Monoazo dye for thermal transfer printing

1994-12-20

1996-04-30

Powers, Fiona T.

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

Organic compounds

Azo

534800, C09B 2936, C09B 29085, B41M 530

Patent

active

055126642

ABSTRACT:
A new sublimable magenta monoazo dye for thermal transfer printing has a closed ring imido group in an aromatic azo compound, as the following formula: ##STR1## The magenta monoazo dye achieves substantial improvements in stability, hue, gray and color development.

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patent: 4764178 (1988-08-01), Gregory et al.
Hrabak et al., Chemical Abstracts, 92:76981r (1980).
Hrabak et al., Chemical Abstracts, 94:48829v (1981).
Hrabak et al., Chemical Abstracts, 94:157533q (1981).
Janssens et al., Research Disclosure, Dec. 1990, 928-939.

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