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    • 1. 发明授权
    • Photographic light-sensitive material
    • 摄影感光材料
    • US4377635A
    • 1983-03-22
    • US382980
    • 1982-05-28
    • Hiroyuki MifuneNobuaki InoueYoshiharu Fuseya
    • Hiroyuki MifuneNobuaki InoueYoshiharu Fuseya
    • G03C1/005G03C1/015E03C1/02E03C1/28
    • G03C1/015G03C2200/06
    • A photographic light-sensitive material which has on a support at least one silver halide emulsion layer containing large-size silver halide grains formed in the presence of at least one compound acting as a silver halide solvent and having the following general formual (I): ##STR1## wherein l and m each represents an integer of 2 or 3; n represents zero or an integer of 1 or 2; and R.sup.1 and R.sup.5 may be the same as or different from one another, each being an alkyl group, a hydroxyalkyl group or carboxyalkyl group, and when n equals zero, at least one of the substituents of R.sup.1 to R.sup.4, must be a hydroxyalkyl group, while when n does not equal zero, at least two of the substitutents of R.sup.1 to R.sup.5, must be hydroxyalkyl groups. Use of the compound of the present invention results in emulsions exhibiting excellent reproducibility with respect to gain sizes of silver halides.
    • 一种照相感光材料,其在载体上具有至少一种卤化银乳剂层,其含有在至少一种起卤化银溶剂的化合物存在下形成的大尺寸卤化银颗粒,并具有以下通式(I): (I)其中l和m各自表示2或3的整数; n表示0或1或2的整数; 并且R 1和R 5可以彼此相同或不同,各自为烷基,羟基烷基或羧基烷基,当n等于零时,R 1至R 4的至少一个取代基必须是羟基烷基 而当n不等于零时,R 1至R 5的至少两个取代基必须是羟烷基。 使用本发明的化合物导致相对于卤化银增益尺寸显示优异的再现性的乳液。
    • 3. 发明授权
    • Heat-developable photosensitive material
    • 热显影感光材料
    • US06344313B1
    • 2002-02-05
    • US09538727
    • 2000-03-30
    • Takahiro GotoToshihide EzoeHiroyuki SuzukiMinoru SakaiHideki MaetaNobuaki InoueMasaru Takasaki
    • Takahiro GotoToshihide EzoeHiroyuki SuzukiMinoru SakaiHideki MaetaNobuaki InoueMasaru Takasaki
    • G03C1498
    • G03C1/49845
    • An object of the present invention is to provide a heat-developable photosensitive material of improved fluctuation of photographic performance (sensitivity, Dmin) arisen from fluctuation of development temperature condition (temperature, time) and storage time after heat development. According to the present invention, there is provided a heat-developable photosensitive material, wherein the photosensitive material comprises, on a support, an image-forming layer containing at least (a) non-photosensitive organic silver salt, (b) photosensitive silver halide, (c) a reducing agent, and (d) a binder, and a protective layer on the image-forming layer, polymer latexes are used as binders of the image-forming layer and the protective layer, and the photosensitive material further comprises, on the image-forming layer side, (e) a nucleating agent and (f) one or more compounds represented by the following formula (1): wherein, in the formula (1), Z1 and Z2 each independently represent a halogen atom, X1 represents a hydrogen atom or an electron withdrawing group, Y1 represents —CO— group or —SO2— group, Q represents an arylene group which may have a substituent or a divalent heterocyclic group which may have a substituent, L represents a linking group, W represents carboxyl group or a salt thereof, slufo group or a salt thereof, phosphoric acid group, hydroxyl group, a quaternary ammonium group, or a polyethyleneoxy group, and n represents 0 or 1.
    • 本发明的目的是提供一种由显影温度条件(温度,时间)的波动和热显影后的储存时间引起的照相性能(灵敏度,Dmin)变动波动的热显影感光材料。 根据本发明,提供了一种热显影感光材料,其中感光材料在载体上包含至少含有(a)非光敏有机银盐的图像形成层,(b)感光卤化银 ,(c)还原剂,和(d)粘合剂和图像形成层上的保护层,聚合物胶乳用作图像形成层和保护层的粘合剂,并且感光材料还包含, 在成像层侧,(e)成核剂和(f)一种或多种由下式(1)表示的化合物:其中,在式(1)中,Z1和Z2各自独立地表示卤素原子, X1表示氢原子或吸电子基,Y1表示-CO-基或-SO2-基,Q表示可具有取代基的亚芳基或可具有取代基的2价杂环基,L表示连接基, W代表羧基 基团或其盐,slufo基团或其盐,磷酸基,羟基,季铵基或聚乙烯氧基,n表示0或1。
    • 8. 发明授权
    • Method of forming image providing a change in sensitivity by altering
the pH of the developer
    • US4873173A
    • 1989-10-10
    • US110981
    • 1987-10-21
    • Senzo SasaokaTetsuo YoshidaNobuaki Inoue
    • Senzo SasaokaTetsuo YoshidaNobuaki Inoue
    • G03C5/29G03C1/06G03C5/30
    • G03C1/061G03C5/30
    • A method of forming an image is provided. The method comprises the steps of (a) imagewise exposing a photographic material which comprises a support having provided thereon at least one light-sensitive silver halide emulsion layer and which contains a hydrazine compound represented by the following general formula (I) in the emulsion layer or a hydrophilic colloid layer adjacent thereto, the photographic material being designed so that a difference in sensitivity (sensitivity being defined as log E corresponding to the density of fog+2.0) between (1) the photographic material is development-processed with a developing solution having a sulfite ion concentration of 0.15 mole/l or more, a potassium ion concentration of 0.2 mole/l or more and a pH value ranging from 10.5 to 12.3 and (2) the photographic material is development-processed with the same developing solution as described above, except that the pH value was lowered by 1.0, (.DELTA.log E), is 0.7 or less, and moreover, the gamma value obtained in (1) is 10 or more and the gamma value obtained in (2) is 5 or more: ##STR1## wherein A represents an aliphatic group, or an aromatic group; B represents a formyl group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxcarbonyl group, a sulfinamoyl group, an alkoxysulfonyl group, a thioacyl group, a thiocarbamoyl group, a sulfamoyl group, or a heterocyclic group; both R.sub.0 and R.sub.1 represent a hydrogen atom, or one of them represents a hydrogen atom and the other represents an alkysulfonyl group, an arylsulfonyl group, or an acyl group; and B, R.sub.1 and the nitrogen atom attached thereto may form a partial structure of hydrazone, and (b) developing the exposed material with a developer. The method realizes superhigh contrast and high resolution images.
    • 10. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4824764A
    • 1989-04-25
    • US051800
    • 1987-05-20
    • Yoshio InagakiNobuaki Inoue
    • Yoshio InagakiNobuaki Inoue
    • G03C1/06G03C1/30G03C1/10G03C1/34
    • G03C1/30G03C1/061Y10S430/15
    • A silver halide photographic material comprising a support having at least one light-sensitive silver halide emulsion layer on the support, wherein at least one of the emulsion layer and other constituent layers contains at least one compound represented by formula (I) and at least one compound represented by formula (II): ##STR1## wherein R.sub.0 is an organic group having 7 to 30 carbon atoms, A is a substituted or unsubstituted phenylene group, or a substituted or unsubstituted naphthylene group, and X is NH or 0, ##STR2## wherein R.sub.1 is an aliphatic, aromatic or heterocyclic group; R.sub.2 is a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted amino group; G is a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an N-substituted or unsubstituted iminomethylene group (NH.dbd.C
    • 一种卤化银照相材料,其包括在载体上具有至少一个感光卤化银乳剂层的载体,其中乳剂层和其它构成层中的至少一个含有至少一种由式(I)表示的化合物和至少一种 由式(II)表示的化合物:其中R 0是具有7至30个碳原子的有机基团,A是取代或未取代的亚苯基或取代或未取代的亚萘基,X是NH或O (II)其中R1是脂族,芳族或杂环基团; R2是氢原子,取代或未取代的烷基,取代或未取代的芳烷基,取代或未取代的烷氧基,取代或未取代的芳基,取代或未取代的芳氧基或取代或未取代的氨基; G为羰基,磺酰基,亚砜氧基,磷酰基或N-取代或未取代的亚氨基亚甲基(NH = C <); R10和R100均为氢原子,或一个或R10和R100为氢原子,另一个为取代或未取代的烷基磺酰基,取代或未取代的芳基磺酰基或酰基; 和G,R2,R100和G,R2和R100连接的氮原子可以形成腙的部分结构(-N = C <),条件是由式(II)表示的化合物与 由式(I)表示的化合物,R1和R2的总碳原子数为14〜60。