Eastman-kodak Company

David J Decker

Stanley W Cowan

Ping W Tang

Ping-Wah Tang

Thomas A Rosiek

Susan M Fischer

Thomas H Jozefiak

Terrence C Mungal

Daniel E Corcoran

The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a yellow dye-forming coupler having the formula: ##STR1## wherein X, Y, Z, W are independently selected from the group consisting of H, alkyl, aryl, halogen, alkoxy and aryloxy groups, provided that X and W may join to form a saturated ring; Each A is selected from the group consisting of halogen, alkoxy and aryloxy groups; m is an integer from 1 to 3; each B is independently selected from the group consisting of --C(O)OR.sub.2 and --NHSO.sub.2 R.sub.3 wherein R.sub.2 and R.sub.3 are independently selected from the group consisting of alkyl and aryl groups; n is an integer from 1 to 3; and R.sub.1 is a substituent group.

Photographic materials and process comprising a particular

The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye-forming coupler having the formula: ##STR1## wherein: R.sub.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;

Photographic dye-forming coupler, emulsion layer, element, and process

A photographic light sensitive silver halide emulsion layer has associated therewith a pyrazoloazole dye-forming coupler having the formula: ##STR1## wherein: R.sup.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;

Photographic emulsion layer containing pyrazoloazole coupler exhibiting

The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye-forming coupler having formula: ##STR1## wherein: R.sub.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;

Novel imidazo[3,2-a]imidazole cyan dye-forming couplers and photographic elements containing them are described. The couplers are represented by the following structure: ##STR1## wherein: EWG.sub.1 and EWG.sub.2 each independently represent an electron withdrawing group;

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Rochester, NY, United States of America

David J Decker