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    • 2. 发明授权
    • Photographic phenolic couplers with amido coupling-off groups
    • 具有酰胺键耦合基团的摄影酚醛树脂成色剂
    • US4083721A
    • 1978-04-11
    • US748604
    • 1976-12-08
    • Kozo InouyeYukio YokotaAkio OkumuraKeisuke ShibaSeiiti Kubodera
    • Kozo InouyeYukio YokotaAkio OkumuraKeisuke ShibaSeiiti Kubodera
    • G03C7/305G03C1/40G03C7/00
    • G03C7/30523
    • A photographic coupler represented by the following formula (I)[a] -- nhcor (i)wherein A represents a cyan color forming coupler residue having a naphthol nucleus or a phenol nucleus; the RCONH-group is a substituted in the coupling position of [A], and R represents (1) an aliphatic hydrocarbon or alicyclic hydrocarbon group which has at least one electron attractive substituent in the .alpha.-position to the carbonyl group in the RCONH- group, or (2) an aryl group, a heterocyclic group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an acyl group or an amino group which may be substituted with one or more electron attractive substituents, and R as defined by (1) or (2) above is a residue of a carboxylic acid of the formula RCOOH having a pKa of about 1.3 or less; a photographic light-sensitive silver halide emulsion containing the photographic coupler; and a method of forming images comprising developing an exposed photographic light-sensitive silver halide emulsion in the presence of the photographic couplers.
    • 由下式(I)[A] -NHCOR(I)表示的照相成色剂,其中A表示具有萘酚核或酚核的形成青色的成色剂残基; RCONH基团是在[A]的偶合位置上被取代的,R表示(1)在RCONH-基团的羰基的α位上具有至少一个电子吸引取代基的脂族烃或脂环族烃基, 基团,或(2)可以被一个或多个吸电子取代基取代的芳基,杂环基,烷氧基羰基,芳氧基羰基,氨基甲酰基,酰基或氨基,R如 (1)或(2)是具有约1.3或更小pKa的式RCOOH的羧酸的残基; 含有照相成色剂的摄影感光卤化银乳剂; 以及形成图像的方法,包括在照相成色剂的存在下显影曝光的感光卤化银乳剂。
    • 8. 发明授权
    • Color photographic materials containing cyan color-forming couplers
    • 含有青色成色成色剂的彩色照相材料
    • US4288532A
    • 1981-09-08
    • US120962
    • 1980-02-13
    • Yoshio SeokaKozo AokiYukio YokotaSeiiti Kubodera
    • Yoshio SeokaKozo AokiYukio YokotaSeiiti Kubodera
    • G03C7/34C09B53/00G03C7/305G03C7/00G03C1/40
    • G03C7/30523
    • A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, said photographic light-sensitive material containing at least one cyan color-forming coupler represented by the following general formula (I): ##STR1## wherein l represents 0, 1 or 2; X represents a group capable of being released upon the coupling reaction and having at least 6 carbon atoms; Y represents RCONH--, RNHCO-- or RNHCONH-- wherein R represents a hydrogen atom, a methyl group, an ethyl group or a methyl group substituted with one or more halogen atoms; n represents 1 or 2 and Y may be the same or different when n is 2; and the phenyl group can be substituted with a halogen atom, an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 3 carbon atoms. The dyes formed from the cyan color-forming couplers have unusually good spectral absorption properties and exceptional fastness to light and heat.
    • 一种卤化银彩色照相感光材料,其包括其上具有至少一个卤化银乳剂层的载体,所述照相感光材料含有由以下通式(I)表示的至少一种青色成色剂: (I)其中l代表0,1或2; X表示能够在偶联反应时释放并具有至少6个碳原子的基团; Y表示RCONH-,RNHCO-或RNHCONH-,其中R表示氢原子,甲基,乙基或被一个或多个卤素原子取代的甲基; n表示1或2,当n为2时,Y可以相同或不同; 苯基可以被卤素原子,碳原子数1〜3的烷基或碳原子数1〜3的烷氧基取代。 由青色成色成色剂形成的染料具有非常好的光谱吸收性能和优异的光和热稳定性。
    • 10. 发明授权
    • Color photographic silver halide light-sensitive material
    • 彩色摄影卤化银感光材料
    • US4294918A
    • 1981-10-13
    • US168917
    • 1980-07-14
    • Morio YagiharaYukio Yokota
    • Morio YagiharaYukio Yokota
    • G03C7/34C09B53/00C09B55/00G03C7/305G03C1/40
    • G03C7/30523
    • A color photographic silver halide light-sensitive material is described containing a colorless photographic cyan color-forming coupler having, in a position for coupling with the oxidation product of an aromatic primary amine developing agent, as a coupling-off group, at least one alkoxy group substituted with a sulfinyl group represented by the formula (I)-O-R-SO-R.sub.1 (I)wherein R represents a saturated or unsaturated, divalent aliphatic group which may be straight or branched chain and may be substituted; and R.sub.1 represents a substituted or unsubstituted straight or branched chain alkyl group, an alkenyl group, an aralkyl group, an aralkenyl group, a cycloalkyl group, an aryl group or a heterocyclic group; and said heterocyclic group being connected with a sulfinyl group on the position of a carbon atom of the heterocyclic group.
    • 描述了一种彩色照相卤化银感光材料,其含有无色摄影青色成色剂,其在与芳族伯胺显影剂的氧化产物偶联的位置作为偶联离去基团,至少一个烷氧基 用式(I)-OR-SO-R 1(I)表示的亚磺酰基取代的基团,其中R表示饱和或不饱和的二价脂族基团,其可以是直链或支链并且可以被取代; R 1表示取代或未取代的直链或支链烷基,烯基,芳烷基,芳烯基,环烷基,芳基或杂环基; 并且所述杂环基与杂环基的碳原子的位置上的亚磺酰基连接。