Phenolic dye-forming couplers

Details Phenolic dye-forming couplers Phenolic dye-forming couplers

G - Physics

03

C

96/140, 260/542.

G03C 7/00 (2006.01) G03C 1/40 (2006.01) G03C 7/34 (2006.01)

Patent

CA 1103273

Abstract of the Disclosure: 2,5-Dicarbonylaminophenols containing a p-alkyl- sulfonylaminophenoxy terminal moiety or a p-alkylamino- sulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsio:s and elements.

287512

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