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    • 14. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4615970A
    • 1986-10-07
    • US678906
    • 1984-12-06
    • Tetsuro KojimaKoki NakamuraTakashi Toyoda
    • Tetsuro KojimaKoki NakamuraTakashi Toyoda
    • C07D249/14C07D401/04C07D487/04G03C1/34
    • C07D401/04C07D249/14C07D487/04G03C1/34
    • A silver halide photographic material containing at least one of compounds represented by formula (I) and salts thereof in at least one hydrophilic colloidal layer of the silver halide photographic material gives photographic images having stable and excellent quality without being accompanied by the increased formation of fog and increased changes of sensitivity and gradation upon high temperature processing: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic ring group; or one or both of said R.sub.1 and R.sub.2 and said R.sub.3 and R.sub.4 combine with each other to form a ring.
    • 在卤化银照相材料的至少一个亲水性胶体层中含有至少一种由式(I)表示的化合物及其盐的卤化银照相材料使摄影图像具有稳定和优异的质量,而不伴随增加的雾形成 并且在高温处理时增加灵敏度和灰度的变化:其中R1,R2,R3和R4各自表示取代或未取代的烷基,取代或未取代的烯基,取代或未取代的环烷基, 取代或未取代的芳基,或取代或未取代的杂环基团; 或者所述R 1和R 2中的一个或两个并且所述R 3和R 4彼此结合形成环。
    • 17. 发明授权
    • Silver halide photographic light-sensitive element containing a u.v.
absorbing layer
    • US4431726A
    • 1984-02-14
    • US453657
    • 1982-12-27
    • Tetsuro KojimaTadashi IkedaShingo IshimaruNaohiko Sugimoto
    • Tetsuro KojimaTadashi IkedaShingo IshimaruNaohiko Sugimoto
    • G03C7/26C08F20/00C08F20/12C08F20/34C08F20/52C08F20/54C08F22/00C08F22/32G03C1/04G03C1/06G03C1/815G03C1/78
    • G03C1/815C08F20/12C08F20/54Y10S430/114
    • A silver halide photographic light-sensitive material is disclosed. The material is comprised of one or more light-sensitive silver emulsion layers and one or more light-insensitive layers. The silver halide layers or light-insensitive layers contain an ultraviolet ray absorbing polymer latex. The polymer latex is comprised of a homopolymer or copolymer having a repeating unit derived from monomers represented by the following general formula (I): ##STR1## wherein the substituents within a general formula (I) are defined within the specification. The polymer latex (I) contains a substituents Q which represents an ultraviolet ray absorbing group represented by the general formula (II): ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryloxy group having 6 to 20 carbon atoms, an alkylthio group having 1 to 20 carbon atoms, an arylthio group having 6 to 20 carbon atoms, an amino group, an alkylamino group having 1 to 20 carbon atoms, an arylamino group having 6 to 20 carbon atoms, a hydroxyl group, a cyano group, a nitro group, an acylamino group, a carbamoyl group, a sulfonyl group, a sulfamoyl group, a sulfonamide group, an acyloxy group or an oxycarbonyl group, and R.sub.1 and R.sub.2, R.sub.2 and R.sub.3, R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 may form a 5 to 6 member ring by ring closure; R.sub.6 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R.sub.7 represents a cyano group, --COOR.sub.9, --CONHR.sub.9, --COR.sub.9 or --SO.sub.2 R.sub.9 ; and R.sub.8 represents a cyano group, --COOR.sub.10, --CONHR.sub.10, --COR.sub.10 or --SO.sub.2 R.sub.10 ; wherein R.sub.9 and R.sub.10 each represents an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 20 carbon atoms; wherein one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 bonds to the vinyl group through the linking group. The photographic material which includes the polymer latex of the invention has excellent absorption characteristics in the 300 to 400 nm range and does not cause static marks caused by ultraviolet rays. Furthermore, the material does not undergo deterioration of color reproduction and fading or discoloration of color images caused by light.
    • 18. 发明授权
    • Processing method of silver halide color photographic light-sensitive
material and desilvering processing composition
    • 卤化银彩色摄影感光材料的加工方法和脱银处理组合物
    • US6004731A
    • 1999-12-21
    • US643607
    • 1996-05-06
    • Hiroshi HayashiTetsuro KojimaShinichi Ichikawa
    • Hiroshi HayashiTetsuro KojimaShinichi Ichikawa
    • G03C7/30G03C7/407G03C7/42
    • G03C7/421G03C7/3022G03C7/407
    • A method for processing a silver halide color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, the method comprising the steps of: exposing the light-sensitive material; color developing the light-sensitive material; and desilvering the light-sensitive material, the desilvering step comprising processing the light-sensitive material with a desilvering processing solution containing at least one compound represented by formula (I) or a salt thereof: ##STR1## wherein Z represents --NR.sub.5 (R.sub.6) or --OR.sub.7, R represents an alkylene group, n represents 0 or 1, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each independently represents a hydrogen atom, an aliphatic group or an aromatic group, and R.sub.7 represents an aliphatic group or an aromatic group, provided that any two of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be combined with each other to form a ring, that the total carbon number of R.sub.5 and R.sub.6 is from 4 to 20 and that R.sub.5 and R.sub.6 may form a ring.
    • 一种用于处理卤化银彩色照相感光材料的方法,其包括其上具有至少一个感光卤化银乳剂层的载体,所述方法包括以下步骤:使感光材料曝光; 彩色显影感光材料; 脱银步骤包括用含有至少一种由式(I)表示的化合物或其盐的脱溶剂处理溶液处理感光材料:其中Z表示-NR5(R6)或-OR7 ,R表示亚烷基,n表示0或1,R1,R2,R3,R4,R5和R6各自独立地表示氢原子,脂族基团或芳香族基团,R7表示脂肪族基团或芳香族基团, 条件是R 1,R 2,R 3和R 4中的任何两个可以彼此结合形成环,R 5和R 6的总碳数为4至20,并且R 5和R 6可以形成环。