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    • 73. 发明公开
    • Light-sensitive silver halide material for making direct-positive images
    • ich。ind hes hes。。。。。。。。。。。。。。。。。。
    • EP0468104A1
    • 1992-01-29
    • EP90202056.9
    • 1990-07-27
    • AGFA-GEVAERT naamloze vennootschap
    • De Prijcker, Jozef Paulina
    • G03C1/485G03C1/76
    • G03C1/7614G03C1/48538Y10S430/141Y10S430/162
    • Photographic light-sensitive silver halide material for forming direct-positive images comprising a support, a light-sensitive emulsion layer comprising unfogged internal latent image-type silver halide grains dispersed in a hydrophilic colloid binder and comprising a development nucleator, and at least one protective hydrophilic colloid layer, wherein said light-sensitive emulsion comprises at least one compound that during the development of said material in a surface developer provides iodide ions, the weight ratio of the hydrophilic colloid binder of said emulsion layer to silver halide expressed as silver nitrate ranging from 0.4 : 1 to 3 : 1, and said protective hydrophilic colloid layer having a thickness in dry state of 1 to 3 µm. The present invention also relates to a method for making direct-positive images with such a photographic light-sensitive silver halide material.
    • 用于形成包含载体的感光卤化银材料,其包含分散在亲水胶体粘合剂中并包含显影成核剂的未雾化的内部潜像型卤化银颗粒的感光乳剂层和至少一种保护性 亲水胶体层,其中所述感光乳剂包括至少一种化合物,其在表面显影剂中所述材料的显影过程中提供碘离子时,所述乳液层的亲水胶体粘合剂与以硝酸银表示的卤化银的重量比 从0.4:1至3:1,所述保护性亲水胶体层的干燥状态为1〜3μm。 本发明还涉及一种利用这种照相感光卤化银材料制造直接正像的方法。
    • 76. 发明公开
    • Color photographic material and method of forming color image
    • Farbphotographisches材料和Verfahren zur Bildung eines Farbbildes。
    • EP0418805A2
    • 1991-03-27
    • EP90117914.3
    • 1990-09-18
    • FUJI PHOTO FILM CO., LTD.
    • Kuwashima, Shigeru, Fuji Photo Film Co., Ltd.Aoki, Mario, Fuji Photo Film Co., Ltd.
    • G03C1/83G03C1/485G03C7/30G03C7/42
    • G03C7/30G03C1/485G03C1/832Y10S430/141
    • A positive-positive silver halide color photographic material comprising at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, at least one blue-sensitive silver halide emulsion layer, at least one hydrophilic colloid layer, and at least one colloidal silver layer on a support wherein said silver halide emulsion layer, hydrophilic colloid layer, or colloidal silver layer contains at least one dye of formula (I):
      where Ri, R 2 , R 3 and R 4 are the same or different and each represents an alkyl group, an aryl group or a heterocyclic group; L i , L 2 and L 3 each represents a methine group; n 1 represents 1 or 2; and any of R 1 , R 2 , R 3 and R4 has a sulfo group and the total of the groups is at least two or more. A method of forming a color image using the same is also disclosed.
    • 一种正 - 正卤化银彩色照相材料,其包含至少一种感红卤化银乳剂层,至少一种感绿卤化银乳剂层,至少一种感蓝卤化银乳剂层,至少一种亲水胶体层, 和载体上的至少一个胶体银层,其中所述卤化银乳剂层,亲水胶体层或胶体银层含有至少一种式(I)染料:其中R 1,R 2,R 3和R 4相同 或不同,各自表示烷基,芳基或杂环基; L1,L2和L3各自表示次甲基; n1表示1或2; R 1,R 2,R 3和R 4中的任何一个具有磺基,并且所述基团的总数为至少两个或更多个。 还公开了使用其形成彩色图像的方法。
    • 78. 发明公开
    • Direct positive image forming method
    • 直接积极图像形成方法
    • EP0355661A3
    • 1991-01-09
    • EP89115022.9
    • 1989-08-14
    • FUJI PHOTO FILM CO., LTD.
    • Inoue, Noriyuki Fuji Photo Film Co., Ltd.Yagihara, Morio Fuji Photo Film Co., Ltd.
    • G03C1/485
    • G03C1/48561Y10S430/141
    • A direct positive image forming method comprising development processing an imagewise exposed direct positive photographic light-sensitive material which comprises a support having thereon at least one layer containing internal latent image type silver halide grains not having been previously fogged after fogging treatment or while fogging treatment, wherein the fogging treatment is conducted in the presence of a compound represented by the following general formula (I):
      wherein A 1 and A 2 both represent a hydrogen atom or one of A, and A 2 represents a hydrogen atom and the other represents a sulfonyl group or an acyl group; G 1 represents a carbonyl group, a sulfonyl group, a sulfoxy group,
      or an iminomethylene group; L 1 represents a divalent linkage group; X 1 represents -O-or (wherein R 4 represents a hydrogen atom, an alkyl group or an aryl group); Y 1 represents
      and R 2 each represents an aliphatic group, an aromatic group, a heterocyclic group, OR 5 or -NR 5 R 6 -(wherein R 5 represents an aliphatic group, an aromatic group or a heterocyclic group; and R 6 represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group); and R 3 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aralkyl group, an aryloxy group or an amino group. In accordance with the method of the present invention direct positive images having a high maximum image density and a low minimum image density and being stable even when preserved under high temperature and high humidity conditions.