Cyan dye-forming couplers

Details Cyan dye-forming couplers Cyan dye-forming couplers

C - Chemistry, Metallurgy

09

B

96/140, 260/546,

C09B 57/00 (2006.01) C07C 275/42 (2006.01) G03C 1/40 (2006.01) G03C 7/34 (2006.01)

Patent

CA 1156250

Abstract Or the Disclosure Novel phenolic cyan dye-forming couplers contain in the 2-position a p-cyanophenylureido group. These couplers are useful in photographic emulsions, elements and processes.

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