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    • 2. 发明授权
    • Direct positive silver halide photographic material
    • 直接正卤化银照相材料
    • US4820625A
    • 1989-04-11
    • US98660
    • 1987-09-21
    • Naomi SaekiNobuaki InoueToshinao UkaiYuji Mihara
    • Naomi SaekiNobuaki InoueToshinao UkaiYuji Mihara
    • G03C1/06G03C1/485
    • G03C1/48523Y10S430/141
    • A direct positive silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer comprising a prefogged direct-positive silver halide emulsion, preferably one having a chloride content of at least 70 mol%, said emulsion layer or a hydrophilic colloid layer adjacent to said emulsion layer containing at least one compound represented by the following general formula (I) and, optionally, a specified organic desensitizer, ##STR1## wherein Z.sub.1 represents a group of nonmetallic atoms necessary to complete a nitrogen-containing hetero ring; T represents an alkyl group, a cycloalkyl group, an alkenyl group, a halogen atom, a cyano group, a trifluoromethyl group, an alkoxy group, an aryloxy group, a hydroxy group, an alkoxycarbonyl group, a carboxyl group, a carbamoyl group, a sulfamoyl group, an aryl group, an acylamino group, a sulfonamido group, a sulfo group, or a benzo-condensed ring, each of which is or is not substituted; q represents 1, 2, or 3; and r represents 0, 1 or 2.
    • 一种直接正性卤化银照相材料,其包括其上具有至少一个卤化银乳剂层的载体,所述卤化银乳剂层包含预成型的直接正性卤化银乳剂,优选氯化物含量为至少70mol%的卤化银乳剂层,所述乳剂层或亲水胶体层 邻近所述乳剂层,其含有至少一种由以下通式(I)表示的化合物和任选的特定的有机脱敏剂,其中Z1表示完成含氮杂原子所必需的一组非金属原子 环; T表示烷基,环烷基,烯基,卤素原子,氰基,三氟甲基,烷氧基,芳氧基,羟基,烷氧基羰基,羧基,氨基甲酰基, 各自为或不被取代的氨磺酰基,芳基,酰氨基,亚磺酰氨基,磺基或苯并稠合环; q表示1,2或3; r表示0,1或2。
    • 3. 发明授权
    • Lithographic photosensitive material
    • 平版印刷光敏材料
    • US4510229A
    • 1985-04-09
    • US591227
    • 1984-03-19
    • Yutaka OkaNaomi SaekiYoshiharu Fuseya
    • Yutaka OkaNaomi SaekiYoshiharu Fuseya
    • G03C5/29G03C1/06G03C1/10G03C1/02G03C5/24
    • G03C1/10Y10S430/15
    • A lithographic photosensitive material which comprises a support having thereon at least one silver halide emulsion layer and that, contains as a lithographic development accelerating agent a compound represented by the following general formula (I) in its silver halide emulsion layer or another hydrophilic colloidal layer: ##STR1## wherein R.sub.1 to R.sub.5 may be the same or different, and they each represent hydrogen, a halogen atom, an alkyl group, an alkoxy group, an aryl group, ##STR2## (wherein R.sub.6 and R.sub.7 each represents hydrogen or an alkyl group, or they may combine with each other to form a 5- or 6-membered nitrogen containing saturated hetero ring), --NH--CO--R.sub.8 or --NHSO.sub.2 --R.sub.9 (wherein R.sub.8 and R.sub.9 each represents an alkyl group, an aryl group or an aralkyl group), or R.sub.3 and R.sub.4, or R.sub.4 and R.sub.5 may combine with each other to form a benzene ring and that, it is necessary to said compound that at least one of substituents R.sub.1, R.sub.3 and R.sub.5 represents --NHSO.sub.2 --R.sub.9, or the benzene ring formed by combining R.sub.3 and R.sub.4, or by combining R.sub.4 with R.sub.5 is substituted with at least one --NHSO.sub.2 --R.sub.9 group.
    • 一种平版印刷感光材料,其包括其上具有至少一个卤化银乳剂层的载体,并且在其卤化银乳剂层或另一亲水胶体层中含有作为平版印刷显影促进剂的由以下通式(I)表示的化合物: (I)其中R 1至R 5可以相同或不同,它们各自表示氢,卤素原子,烷基,烷氧基,芳基,(其中R 6和R 7各自表示氢 或烷基,或者它们可以相互结合形成含有饱和杂环的5或6元氮),-NH-CO-R 8或-NHSO 2 -R 9(其中R 8和R 9各自表示烷基, 芳基或芳烷基)或R 3和R 4或R 4和R 5可以彼此结合形成苯环,并且所述化合物必须使取代基R 1,R 3和R 5中的至少一个表示 - NHSO2-R9或由组合蛋白形成的苯环 g R3和R4,或通过R4与R5的结合被至少一个-NHSO 2 -R 9基团取代。
    • 6. 发明授权
    • Silver halide photographic materials and process of developing them
    • 卤化银照相材料及其开发工艺
    • US4452882A
    • 1984-06-05
    • US489907
    • 1983-04-29
    • Yoshitaka AkimuraEiichi OkutsuShigenori MoriuchiNaomi SaekiTaiji HashimuraHiroyuki Mifune
    • Yoshitaka AkimuraEiichi OkutsuShigenori MoriuchiNaomi SaekiTaiji HashimuraHiroyuki Mifune
    • G03C5/29G03C1/043G03C1/06G03C1/36G03C5/30
    • G03C1/043Y10S430/15
    • A silver halide photographic light-sensitive material and a developing process used in connection with that material are disclosed. The material is comprised of a support having thereon a silver halide emulsion layer containing a silver halide emulsion in which at least 80 mole % of the whole silver halide is composed of silver chloride, the mean grain size thereof is less than 0.4 .mu.m, and which contains more than 1.times.10.sup.-6 mole of a water-soluble rhodium salt per mole of silver at an optional period before finishing the first ripening in the production step for the silver halide emulsion. The material also contains 1.times.10.sup.-5 to 1.times.10.sup.-2 mole of polyalkylene oxide having a molecular weight of at least 600 or a derivative thereof per mole of silver. The process involves imagewise exposing the material and processing it in a developer containing 0.05 to 0.5 mole/liter of a dihydroxybenzene series developing agent, 0 to 0.05 g/liter of an auxiliary developing agent, at least 0.25 mole/liter of a free sulfite ion, at least 20 mg/liter of 5- or 6-nitroindazole, and an alkali of an amount sufficient for keeping the pH of the developer higher than 10.5. The material and processing are capable of providing good letter image quality in a short developing time.
    • 公开了卤化银照相感光材料和与该材料结合使用的显影方法。 该材料由其上含有卤化银乳剂层的载体组成,其中至少80%(摩尔)的卤化银全部由氯化银组成,其平均粒径小于0.4μm, 其在完成在卤化银乳剂的制备步骤中的第一次熟化之前的任选时间内每摩尔银含有大于1×10 -6摩尔的水溶性铑盐。 该材料还含有1×10-5至1×10-2摩尔的分子量至少为600的聚环氧烷或其每摩尔银的衍生物。 该方法包括成像曝光材料并在包含0.05至0.5摩尔/升二羟基苯系列显影剂,0至0.05克/升辅助显影剂,至少0.25摩尔/升游离亚硫酸根离子 ,至少20mg / l的5-或6-硝基吲唑,以及足以使显影剂的pH保持在10.5以上的量的碱。 材料和加工能够在短时间内提供良好的信函图像质量。