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    • 4. 发明授权
    • Color photographic materials containing dye-fading inhibitors
    • 含有染料衰减抑制剂的彩色照相材料
    • US4178184A
    • 1979-12-11
    • US843261
    • 1977-10-18
    • Masahiko TaguchiKatsuo MogakiSyun Takada
    • Masahiko TaguchiKatsuo MogakiSyun Takada
    • G03C7/26G03C7/392G03C1/76G03C1/06G03C1/40
    • G03C7/39296
    • 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 ##STR1## wherein R represents an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a heterocyclic ring; R.sub.1, R.sub.2 and R.sub.3 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 R.sub.1 can cooperatively be cyclized to form a chroman or cumaran ring. ##STR2## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are individually alkyl having 1-18 carbon atoms, the total number of carbon atoms of A.sub.1, A.sub.2, A.sub.3 and A.sub.4 being not more than 32; and X is a simple bond, oxygen, sulfur, sulfonyl or ##STR3## in which A.sub.5 is hydrogen or alkyl having 1-10 carbon atoms and n is an integer of 1-3.
    • 本发明涉及一种彩色照相材料,其特征在于含有由下式I表示的化合物与下式II表示的化合物:其中R表示烷基,烯基 基团,环烷基,芳基或杂环; R1,R2和R3分别表示氢,卤素,烷基,烷硫基,烷氧基,芳基,芳氧基,芳硫基,酰基,酰氨基,二酰氨基,酰氧基 ,亚磺酰氨基,烷基氨基,环烷基或烷氧基羰基; Z表示形成苯并二氢吡喃或香豆素环所需的原子团或基团; 条件是R和R 1可以协同地环化以形成苯并二氢吡喃酮或富马仑环。 式(II)其中A1,A2,A3和A4分别是具有1-18个碳原子的烷基,A1,A2,A3和A4的总碳原子数不大于32; 并且X是简单的键,氧,硫,磺酰基或者其中A 5是氢或具有1-10个碳原子的烷基,n是1-3的整数。