Photographic material and process comprising a...

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C - Chemistry, Metallurgy

09

B

96/134, 260/299

C09B 57/00 (2006.01) C07D 487/04 (2006.01) G03C 1/06 (2006.01) G03C 7/38 (2006.01)

Patent

CA 2029589

PHOTOGRAPHIC MATERIAL AND PROCESS COMPRISING A PYRAZOLOTRIAZOLE COUPLER Abstract of the Disclosure A pyrazolotriazole dye-forming coupler containing on a carbon atom in a non-coupling position a ballast group derived from and bonded through a carboxylic acid portion of an unsubstituted or substituted amino acid provides useful magenta dye images in a photographic material and process and enables simplification of manufacture of the coupler. Such couplers are useful in photographic silver halide materials and processes.

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