Azo dye compounds for use in a dye diffusion transfer process an

Details Azo dye compounds for use in a dye diffusion transfer process an Azo dye compounds for use in a dye diffusion transfer process an

1987-02-18

1988-10-11

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430222, 430223, 430561, G03C 554, G03C 726

Patent

active

047771240

ABSTRACT:
A ballasted non-diffusing compound that is capable of releasing a diffusible particularly light-fast azo dye from a non-diffusible carrier moiety, wherein said compound contains not more than two aromatic nuclei between said carrier moiety and a dye part that remaining linked to said aromatic nuclei is releasable by redox-reaction and wherein at least one of said aromatic nuclei is substituted with a R.sup.4 SO.sub.2 NH-- group as defined.

REFERENCES:
patent: 4242435 (1980-12-01), Poschel et al.
patent: 4529692 (1985-07-01), Ono et al.
patent: 4605613 (1986-08-01), Van de Sande et al.
patent: 4663273 (1987-05-01), Van de Sande et al.

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