Process for forming dye images

Details Process for forming dye images Process for forming dye images

C - Chemistry, Metallurgy

09

B

96/117, 260/308,

C09B 57/00 (2006.01) C07D 209/50 (2006.01) C07D 233/66 (2006.01) C07D 233/72 (2006.01) C07D 249/12 (2006.01) C07D 263/44 (2006.01) C07D 277/34 (2006.01) G03C 1/40 (2006.01) G03C 7/305 (2006.01)

Patent

CA 1140135

ABSTRACT OF THE DISCLOSURE The disclosure describes a process for forming yellow dye images comprising developing an imagewise exposed light- sensitive silver halide photographic material with a developer containing an aromatic primary amine type developing agent in the presence of a yellow coupler represented by the following general formula (I): Image (I) wherein R1 represents a hydrogen atom or an alkyl group, aryl group or heterocyclic group, which may individually have a sub- stituent, X represents an alkylene, arylene, aralkylene or divalent organic group represented by the following general formula (II), which may individually have a substituent, Y represents an alkyl group, aryl group or heterocyclic residue, which may individually have a substituent, and Z represents a non-metal atomic group necessary for forming in cooperation with -CO-N-CO- a 5- or 6-membered ring. General formula (II) is: - A - V - B - wherein A and B individually represent an alkylene, arylene or aralkylene group, which may individually have a substituent, and V represents a divalent linking group. These couplers are excellent in color developability, free from color stain, excel- lent in stability against exposure to light and capable of being synthesized at low cost.

340562

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