Process for stabilizing photographic material containing magenta coupler
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United States of America Patent
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-
Apr 28, 1987
Grant Date -
N/A
app pub date -
Nov 7, 1985
filing date -
Nov 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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