Color-photographic development process

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...

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430380, 430384, 430388, 430436, 430549, G03C 700

Patent

active

042974380

ABSTRACT:
Color images are obtained by chromogenic development of a colorphotographic material comprising several differently spectrally sensitized silver halide emulsions and color couplers associated thereto, a hydrophobic cyan coupler being incorporated by means of a hydrophobic coupler solvent and a hydrophobic yellow coupler being incorporated without a coupler solvent, when a color developing composition is used comprising a hydrophilic and a hydrophobic color developer compound. The color images have good stability of the cyan partial image to tropical conditions and good lightfastness of the yellow partial image.

REFERENCES:
patent: 2537460 (1951-01-01), Gunther
patent: 3515557 (1970-06-01), Chu et al.
patent: 3656950 (1972-04-01), Bent et al.
patent: 3658525 (1972-04-01), Bent et al.
patent: 3859095 (1975-01-01), Morcher et al.

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