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    • 1. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4830950A
    • 1989-05-16
    • US3341
    • 1987-01-14
    • Kenichi KuwabaraToshiro TakahashiKeiichi AdachiMasahiro Okada
    • Kenichi KuwabaraToshiro TakahashiKeiichi AdachiMasahiro Okada
    • G03C1/06G03C1/035G03C1/16G03C1/36G03C1/83
    • G03C1/832Y10S430/15
    • A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer; wherein said emulsion layer comprises a silver chloride emulsion or a silver chlorobromide emulsion containing 90 mol % or more silver chloride, which is prepared in the presence of a water-soluble rhodium salt in an amount of 1.times.10.sup.-7 to 2.times.10.sup.-5 mol per mol of silver halide; and wherein at least one of said emulsion layer and hydrophilic colloidal layers of said material contains a dye compound represented by formula (I) ##STR1## wherein: R.sub.1 represents an alkyl group, an alkoxy group, a hydroxy group, an amino group, a substituted amino group, an alkoxycarbonyl group, a carboxy group, a cyano group, a carbamoyl group, a sulfamoyl group, an ureido group, a thioureido group, an acylamido group, a sulfonamido group or a phenyl group, Q represents a sulfoalkyl group, a sulfoalkoxyalkyl group, or an aryl group having at least one sulfo group; R.sub.2 represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxy group or a halogen atom, and R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group or a substituted alkyl group, or when taken together, R.sub.3 and R.sub.4 may form a 5- to 6-membered ring, provided that R.sub.1, R.sub.3, and R.sub.4 do not represent a methyl group at the same time.
    • 一种卤化银照相材料,包括其上具有至少一个卤化银乳剂层的载体; 其中所述乳剂层包含氯化银乳剂或含有90mol%或更多氯化银的氯化银氯化银乳液,其在水溶性铑盐的存在下制备,其量为1×10 -7至2×10 -5 mol / mol 的卤化银; 并且其中所述材料的所述乳剂层和亲水胶体层中的至少一个含有由式(I)表示的染料化合物其中:R 1表示烷基,烷氧基,羟基,氨基 基团,取代氨基,烷氧基羰基,羧基,氰基,氨基甲酰基,氨磺酰基,脲基,硫脲基,酰氨基,亚磺酰氨基或苯基,Q表示 磺基烷基,磺基烷氧基烷基或具有至少一个磺基的芳基; R 2表示氢原子,烷基,烷氧基,羟基或卤素原子,R 3和R 4可以相同或不同,表示烷基或取代的烷基,或者一起 R 3和R 4可以形成5-至6-元环,条件是R 1,R 3和R 4不同时表示甲基。
    • 6. 发明授权
    • Silver halide photographic materials
    • 卤化银照相材料
    • US4803149A
    • 1989-02-07
    • US915593
    • 1986-10-06
    • Toshiro TakahashiKen-ichi KuwabaraMasahiro Okada
    • Toshiro TakahashiKen-ichi KuwabaraMasahiro Okada
    • G03C1/06G03C1/005G03C1/035G03C1/76G03C1/815G03C1/825G03C1/36G03C5/26
    • G03C1/815G03C1/825Y10S430/15
    • A silver halide photographic material for a bright room and a process for producing the photographic material are disclosed, wherein the silver halide photographic material for a bright room comprises a support having thereon at least one silver halide emulsion layer containing silver chloride grains or silver chlorobromide grains containing at least 80 mol % silver chloride, at least one of said silver halide emulsion layer or another hydrophilic colloid layer(s) present containing a yellow dye making the silver halide photographic material substantially insensitive to visible light of 420 n.m. or more and an ultraviolet absorbent in an amount sufficient to reduce the specific sensitivity of the silver halide emulsion at 360 n.m. to 1/2 or lower than 1/2 thereof in the absence of the ultraviolet absorbent, and the .gamma. value of the silver halide photographic material being at least 10.
    • 公开了一种用于明亮室的卤化银照相材料和用于生产照相材料的方法,其中用于光亮室的卤化银照相材料包括其上具有至少一个含有氯化银颗粒或氯溴化银颗粒的卤化银乳剂层的载体 含有至少80mol%氯化银,至少一种所述卤化银乳剂层或存在的另一亲水胶体层,其含有黄色染料,使得卤化银照相材料基本上对420nm的可见光不敏感 以上的紫外线吸收剂,其量足以降低卤化银乳剂在360纳米的特异性。 在不存在紫外线吸收剂的情况下为1/2或低于1/2,并且卤化银照相材料的γ值为至少10。