Method for manufacturing a light-sensitive silver halide emulsion
    21.
    发明授权
    Method for manufacturing a light-sensitive silver halide emulsion 失效
    用于制造感光卤化银乳剂的方法

    公开(公告)号:US4983508A

    公开(公告)日:1991-01-08

    申请号:US271987

    申请日:1988-11-16

    摘要: A method of producing a silver halide photographic emulsion including the step of:reacting a water-soluble silver salt and at least one water-soluble halide salt containing chloride in aqueous solution in the presence of at least one compound represented by formulae (I) or (II): ##STR1## wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4, which may be the same or different, each represents a nonmetallic atomic group necessary for forming a substituted or unsubstituted heterocyclic ring; B represents a divalent linking group; R.sub.1 and R.sub.2, which may be the same or different, each represents an alkyl group; X represents an anion necessary for charge balance; m is 0 or 1; and n is 0 or 1;to form light-sensitive silver halide grains having a silver chloride content of at least 50 mol %, selected from octahedral grains, tetradecahedral grains and tablular grains, wherein at least 30% of the surface area of said light-sensitive silver halide grains is composed of (111) planes. The high chloride silver halide emulsions are suitable for rapid development processing with reduced fogging.

    摘要翻译: 一种制备卤化银照相乳剂的方法,包括以下步骤:在至少一种由式(I)或(I)表示的化合物存在下,使水溶性银盐和至少一种含有氯化物的水溶性卤化物盐在水溶液中反应, (II):其中可以相同或不同的A1,A2,A3和A4各自表示形成取代或未取代的杂环所必需的非金属原子团; B表示二价连接基团; R 1和R 2可以相同或不同,各自表示烷基; X表示电荷平衡所必需的阴离子; m为0或1; 并且n为0或1; 形成具有至少50摩尔%的氯化银含量的感光卤化银颗粒,其选自八面体颗粒,十四面体颗粒和片状颗粒,其中所述感光卤化银颗粒的表面积的至少30%构成 (111)平面。 高氯化卤化银乳剂适用于减少雾化的快速显影处理。

    Development-processing method for silver halide photographic
light-sensitive material
    23.
    发明授权
    Development-processing method for silver halide photographic light-sensitive material 失效
    卤化银照相感光材料的开发处理方法

    公开(公告)号:US4634660A

    公开(公告)日:1987-01-06

    申请号:US732819

    申请日:1985-05-10

    摘要: In the presence of a novel antifoggant represented by the general formula (I), a silver halide photographic material which has at least one light-sensitive silver halide emulsion layer on a support is development-processed. The developing solution is one containing both dihydroxybenzenes and 3-pyrazolidones, a developing solution containing both dihydroxybenzenes and aminophenoles, or a developing solution containing a primary aromatic amine developer to suppress markedly fog generation at much reduced sacrifice of sensitivity: ##STR1## wherein M represents a hydrogen atom, an alkali metal atom, NH.sub.4 or a mercapto group-protecting moiety which can be split-off in the presence of an alkali; n represents 1, 2 or 3; R.sup.1 represents a hydrogen atom or --COOR.sup.2 ; and R.sup.2 represents a hydrogen atom, an alkali metal atom, NH.sub.4, or an unsubstituted or substituted alkyl, aryl or aralkyl group.

    摘要翻译: 在由通式(I)表示的新型防灰雾剂的存在下,在载体上具有至少一个感光卤化银乳剂层的卤化银照相材料进行显影处理。 显影溶液是含有二羟基苯和3-吡唑烷酮的显影液,其是含有二羟基苯和氨基苯酚的显影液,或含有主要芳族胺显影剂的显影液,以在极少的敏感性牺牲下抑制明显的雾产生。 其中M表示氢原子,碱金属原子,NH 4或可在碱存在下分离的巯基保护基; n表示1,2或3; R1表示氢原子或-COOR2; R 2表示氢原子,碱金属原子,NH 4或未取代或取代的烷基,芳基或芳烷基。

    Image forming method
    24.
    发明授权
    Image forming method 失效
    图像形成方法

    公开(公告)号:US4581322A

    公开(公告)日:1986-04-08

    申请号:US681762

    申请日:1984-12-14

    CPC分类号: G03C1/346 G03C5/305

    摘要: A method for developing a silver halide photographic material in the presence of an amino compound represented by the following general formula (I) or the salt thereof to increase photographic speed and/or gamma without being attended by a concomitant increase in generation of fog: ##STR1## wherein R.sup.1 represents an alkyl group, an aryl group, an aralkyl group or a cycloalkyl group; R.sup.2 and R.sup.3, which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an aralkyl group or an alkylcarbonyl group, or R.sup.2 and R.sup.3 may combine with each other and form a ring; and A represents a divalent aliphatic linkage group.

    摘要翻译: 在由下列通式(I)表示的氨基化合物或其盐的存在下显影卤化银照相材料的方法,以增加摄影速度和/或γ,而不伴随着雾的产生的伴随增加: (I)其中R1表示烷基,芳基,芳烷基或环烷基; R 2和R 3可以相同或不同,各自表示氢原子,烷基,烯基,芳基,芳烷基或烷基羰基,或者R 2和R 3可以彼此结合形成 环; A表示二价脂肪连接基团。

    Silver halide photographic light-sensitive materials
    25.
    发明授权
    Silver halide photographic light-sensitive materials 失效
    卤化银照相感光材料

    公开(公告)号:US4528264A

    公开(公告)日:1985-07-09

    申请号:US552224

    申请日:1983-11-16

    摘要: A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer and a high molecular compound having a repeating unit containing a residue of benzotriazoles. The repeating unit may be represented by the general formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, L represents a divalent bonding group, and X represents a monovalent group of benzotriazoles. Improved antifogging agent effects are obtained by utilizing the high molecular compound of applicants' invention in connection with silver halide photographic light-sensitive materials.

    摘要翻译: 公开了一种卤化银照相感光材料。 该材料由其上具有卤化银乳剂层的支撑基底和具有含有苯并三唑残基的重复单元的高分子化合物组成。 重复单元可以由通式(I)表示,其中R 1表示氢原子或低级烷基,L表示二价键合基​​团,X表示一价基团的苯并三唑。 通过利用申请人发明的高分子化合物与卤化银照相感光材料相结合,可获得改善的防雾剂效果。

    Color photographic process
    28.
    发明授权
    Color photographic process 失效
    彩色摄影过程

    公开(公告)号:US4066461A

    公开(公告)日:1978-01-03

    申请号:US735936

    申请日:1976-10-27

    IPC分类号: G03C7/30 G03C7/413 G03C5/30

    CPC分类号: G03C7/413

    摘要: A color photographic process which comprises processing silver halide color photographic materials using a color developer containing a 2-alkyne-1-ol represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, a hydroxyalkyl group, an aminoalkyl group, a carboxyalkyl group, or a formylalkyl group, and R.sub.1 and R.sub.2 may be the same or different.By using the above compound in a color photographic process, the speed of color development can be effectively promoted without increasing fog, and, further, the stability of the color developer is improved.