Light-sensitive silver halide color photographic material
AssigneeKonica Corporation
InventorsAtsushi Tomotake, Yutaka Kaneko
Life of this patent
Estimating the term…
Abstract
Disclosed is a light-sensitive silver halide color photographic material having at least one silver halide emulsion layer on a support, which comprises a two-equivalent yellow coupler represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group or a cycloalkyl group; L represents an alkylene group; X represents a divalent linking group; R.sup.3 represents an unsubstituted alkyl group or cycloalkyl group; n represents 0 or 1; and Z represents >C(R.sup.4)R.sup.5 or >NR.sup.4 where R.sup.4 and R.sup.5 each represent a hydrogen atom or a substituent, being contained in at least one of the above silver halide emulsion layers.
Claims16
A light-sensitive silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a two-equivalent yellow coupler represented by the following formula:
- ##STR43## wherein R.sup.1 and R.sup.2 each represent an alkyl group or a cycloalkyl group;
- R.sup.3 represents an unsubstituted alkyl group or cycloalkyl group;
- and Z represents >C (R.sup.4)R.sup.5 or >NR.sup.4 where R.sup.4 and R.sup.5 each represent a hydrogen or a substituent.
Dependencies are inferred from the claim text.