Photographic element containing an improved pyrazolotriazole cou

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...

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G03C 738

Patent

active

056816910

ABSTRACT:
The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a dye-forming coupler having formula I: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl, aryl, and heterocyclic groups;

REFERENCES:
patent: 5302496 (1994-04-01), Romanet et al.
patent: 5387500 (1995-02-01), Ling et al.

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