Silver halide photographic element containing improved cyan dye-forming phenolic coupler
AssigneeEastman Kodak Company
InventorsPing-Wah Tang, Margaret D. Steele
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AssigneeEastman Kodak Company
InventorsPing-Wah Tang, Margaret D. Steele
Estimating the term…
A color photographic element includes a support, a silver halide emulsion layer, and associated therewith a phenolic dye-forming coupler having the formula ##STR1## wherein R.sup.1 represents hydrogen, a straight or branched chain alkyl group having 1 to about 20 carbon atoms, a cycloalkyl group having about 3 to 8 carbon atoms in the ring, or an aryl group having 6 to about 20 carbon atoms; R.sup.2 represents hydrogen or a substituent; R.sup.3 represents hydrogen, halogen, or alkyl, cycloalkyl or aryl groups as defined for R.sup.1 ; R.sup.4 represents a fluorosubstituted alkyl group having 1 to about 20 carbon atoms, a fluorosubstituted cycloalkyl group having about 3 to 8 carbon atoms, or a fluorosubstituted aryl group having 6 to about 20 carbon atoms; R.sup.5 represents hydrogen or a substituent; X represents hydrogen or a coupling-off group; Z represents carbon atoms or hetero atoms necessary to complete a 5-,6-, or 7-membered ring; m is 0 to 3; and n is 0 to 4.
A color photographic element comprising a support, a silver halide emulsion layer, and associated therewith a phenolic dye-forming coupler having the formula ##STR14## wherein R.sup.1 represents hydrogen, a straight or branched chain alkyl group having 1 to about 20 carbon atoms, a cycloalkyl group having about 3 to 8 carbon atoms in the ring, or an aryl group having 6 to about 20 carbon atoms;
Dependencies are inferred from the claim text.