Photographic recording material containing a hydroquinone diethe

Details Photographic recording material containing a hydroquinone diethe Photographic recording material containing a hydroquinone diethe

1993-08-20

1994-11-08

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430372, 430558, 430503, G03C 108, G03C 726, G03C 732

Patent

active

053626150

ABSTRACT:
A color-photographic recording material comprising at least one red-sensitive silver halide emulsion layer associated with a cyan coupler, at least one green-sensitive silver halide emulsion layer associated with a magenta coupler, and at least one blue-sensitive silver halide emulsion layer associated with a yellow coupler, at least one layer of the material containing a hydroquinone diether compound having the following formula I and optionally at least one compound having one of the formulae II, III, IV, V, SA and SB given in the description, characterized by increased light stability of the image colorants produced during chromogenic development, ##STR1## In the formula: R.sup.1 denotes alkyl, cycloalkyl or aryl;

REFERENCES:
patent: 4631252 (1986-12-01), Howell

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