| 摘要 |
<p>Silver halide color photographic material comprising a support having coated thereon one or more silver halide emulsion layers, wherein at least one of said layers comprises in combination at least one cyan coupler having the following Formula (I) and at least one cyan coupler having the following Formula (II):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="29" wi="134" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sub>1</Sub> is an aryl group, R<Sub>2</Sub> is an alkyl group or an aryl group, R<Sub>3</Sub> is a hydrogen atom, a halogen atom an alkyl group or an alkoxy group, and Z<Sub>1</Sub> is a hydrogen atom, a halogen atom or a group which can be split off by the reaction of said coupler with the oxidized product of an aromatic primary amine-type color developing agent,
<Chemistry id="chema02" num="0002"><Image id="ia02" he="34" wi="124" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein, R<Sub>4</Sub> is a hydrogen atom or a lower alkyl group, R<Sub>5</Sub> is a ballasting group, and Z<Sub>2</Sub> is a hydrogen atom, a halogen atom or a group which can be split off by the reaction of said coupler with the oxidized product of an <!-- EPO <DP n="2"> -->aromatic primary amine-type color developing agent, and the coupler of Formula (II) is contained in said material in an amount of from 0.005 to 0.15 mole per mole of the cyan coupler of formula (I) contained in said material.</p><p>Such combination of cyan couplers, when associated with the silver halide color photographic materials, gives high sensitivity and, upon coupling with the oxidized aromatic primary amine-type color developing agents, provides cyan indoaniline dyes very stable to light, heat, humidity and to bleaching solutions which have a weak oxidation power or are exausted.</p> |
