Process for stabilizing photographic material containing magenta

Details Process for stabilizing photographic material containing magenta Process for stabilizing photographic material containing magenta

1985-11-07

1987-04-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430372, 430551, 430610, 430931, G03C 140

Patent

active

046614400

ABSTRACT:
Photographic material containing magenta coupler is stabilized by incorporating a dibenzoxaphosphorin of the formula ##STR1## into the emulsion layer containing the coupler or into an adjoining colloid layer. The yellowing on dark storage of such material is substantially reduced as a result.
The symbols A and n are defined in claim 1.

REFERENCES:
Tuite, J. Appl. Photogr. Eng. 5, 200, 1979.

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