Color-providing compound having two or more cyclic 1,3 sulfur-ni

Details Color-providing compound having two or more cyclic 1,3 sulfur-ni Color-providing compound having two or more cyclic 1,3 sulfur-ni

1994-02-04

1995-07-04

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544 54, C07D41712

Patent

active

054301564

ABSTRACT:
There are disclosed color-providing compounds comprising two or more cyclic 1,3 sulfur-nitrogen groups and two or more color-providing moieties, i.e., complete dyes or dye intermediates, capable of releasing the color-forming moieties upon cleavage in the presence of silver ions or a soluble silver complex. The color-providing compounds are useful as image-forming materials in color photographic processes.

REFERENCES:
patent: 3719489 (1973-03-01), Cieciuch et al.
patent: 4098783 (1978-07-01), Cieciuch et al.
patent: 4468448 (1984-08-01), Rogers
Felder, et al., Chemical Abstracts, vol. 55, No. 4, 3423 c-h, (1961).

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