发明名称 PHOTOGRAPHIC MATERIALS
摘要 The present invention is directed to a color photographic material which is characterized as containing a compound represented by the following formula I in combination with a compound represented by the following formula II <IMAGE> Formula (I) wherein R represents an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a heterocyclic ring; R1, R2 and R3 individually represent hydrogen, halogen, an alkyl group, an alkylthio group, an alkoxy group, an aryl group, an aryloxy group, an arylthio group, an acyl group, an acylamino group, a diacylamino group, an acyloxy group, a sulfonamido group, an alkylamino group, a cycloalkyl group or an alkoxycarbonyl group; and Z represents an atomic group or groups necessary for forming a chroman or coumaran ring; provided that R and R1 can cooperatively be cyclized to form a chroman or cumaran ring. <IMAGE> Formula (II) wherein A1, A2, A3 and A4 are individually alkyl having 1-18 carbon atoms, the total number of carbon atoms of A1, A2, A3 and A4 being not more than 32; and X is a simple bond, oxygen, sulfur, sulfonyl or <IMAGE> in which A5 is hydrogen or alkyl having 1-10 carbon atoms and n is an integer of 1-3.
申请公布号 AU2981677(A) 申请公布日期 1979.04.26
申请号 AU19770029816 申请日期 1977.10.18
申请人 KONISHIROKU PHOTO INDUSTRY CO. LTD. 发明人 MASAHIKO TAGUCHI;KATSUO MOGAKI;SYUN TAKADA
分类号 G03C7/26;G03C7/392 主分类号 G03C7/26
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