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    • 52. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5415973A
    • 1995-05-16
    • US123082
    • 1993-09-17
    • Nobuaki Inoue
    • Nobuaki Inoue
    • G03C7/305G03C1/06G03C1/09G03C1/34G03C1/43
    • G03C1/061G03C1/346Y10S430/158
    • A super-high contrast silver halide photographic material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the emulsion layer or at least one other hydrophilic colloid layer contains at least one hydrazine derivative, at least one redox compound capable of releasing a development inhibitor by oxidation and at least one compound represented by formula (I):Q--SM (I)wherein Q represents a heterocyclic group containing at least one hydrophilic group bonded thereto directly or indirectly; and M represents a hydrogen atom, an alkali metal, a quaternary ammonium group or a quaternary phosphonium group. The material is suitable for photomechanical processes, giving sharp and super-high contrast line images and dot images with little black pepper therein. Enlargement or reduction of images is easy with the material.
    • 公开了一种超高对比度卤化银照相材料,其包括其上具有至少一种感光卤化银乳剂层的载体,其中所述乳剂层或至少一种其它亲水胶体层包含至少一种肼衍生物,至少一种 能够通过氧化释放显影抑制剂的氧化还原化合物和至少一种由式(I)表示的化合物:Q-SM(I)其中Q表示直接或间接地键合有至少一个亲水基团的杂环基; M表示氢原子,碱金属,季铵基或季鏻基。 该材料适用于光机械过程,提供清晰和超高对比度线图像和点图像,其中有少许黑胡椒。 使用材料可以轻松扩大或缩小图像。
    • 55. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US5364755A
    • 1994-11-15
    • US47496
    • 1993-04-16
    • Yasushi MiyamotoAkihiko Ikegawa
    • Yasushi MiyamotoAkihiko Ikegawa
    • G03C1/09G03C1/12G03C1/14G03C1/16G03C1/18
    • G03C1/09G03C1/12
    • A silver halide photographic light-sensitive material have at least one silver halide emulsion layer on a support, wherein at least one of the silver halide emulsion layers comprises an emulsion subjected to chemical sensitization with a selenium compound and spectral sensitization with at least one type of a methine compound represented by Formula (I) below: ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sub.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5, or --(CH.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6 ; R.sup.3, R.sup.4, R.sup.5, and R.sup.6 each represent an alkyl group, an alkoxy group, or an amino group; R.sup.2 has the same meaning as R.sup.1 or represents an alkyl group; Z.sup.1 and Z.sup.2 each represent a nonmetal atom group required to form a 5- or 6-membered heterocyclic ring; each of L.sub.1, L.sub.2, and L.sub.3 represents a methine group; X.sub.1 represents anion; r, s, t, and u each represent an integer from 1 to 5; each of p and q represents 0 or 1; m represents 0, 1, or 2; and k represents a number required to adjust the charge in the molecule to 0.
    • 卤化银照相感光材料在载体上具有至少一个卤化银乳剂层,其中至少一种卤化银乳剂层包含用硒化合物进行化学增感的乳液和至少一种 (I)表示的次甲基化合物:其中R 1表示 - (CH 2)r-CONHSO 2 -R 3, - (CH 2)s -SO 2 NHCO-R 4, - (CH 2)t CONHCO-R 5 ,或 - (CH 2)u -SO 2 NHSO 2 -R 6; R3,R4,R5和R6各自表示烷基,烷氧基或氨基; R2具有与R 1相同的含义或表示烷基; Z 1和Z 2各自表示形成5或6元杂环所需的非金属原子团; L1,L2和L3中的每一个代表次甲基; X1表示阴离子; r,s,t和u分别表示1〜5的整数, p和q各自表示0或1; m表示0,1或2; k表示将分子中的电荷调整为0所需的数。
    • 59. 发明授权
    • Silver halide photographic material containing a tellurium compound
    • 含有碲化合物的卤化银照相材料
    • US5342750A
    • 1994-08-30
    • US51691
    • 1993-04-23
    • Hirotomo SasakiToru FujimoriHiroyuki MifuneKimiyasu Morimura
    • Hirotomo SasakiToru FujimoriHiroyuki MifuneKimiyasu Morimura
    • G03C1/09G03C1/06G03C1/005G03C1/494
    • G03C1/09
    • A silver halide photographic material comprises a silver halide emulsion layer provided on a support. In the photographic material of the present invention, the silver halide emulsion layer contains a tellurium compound represented by the formula (I) or (II): ##STR1## in which each of R.sup.11 and R.sup.12 is --OR.sup.13, --NR.sup.14 R.sup.15, --SR.sup.16 or hydrogen; R.sup.11 and R.sup.12 may be combined with each other to form a heterocyclic ring; each of R.sup.21 and R.sup.22 is an alkyl, alkenyl, alkynyl, aralkyl, aryl or heterocyclic group, --OR.sup.23, --NR.sup.24 R.sup.25, --SR.sup.26 or hydrogen; R.sup.21 and R.sup.22 may be combined with each other to form a heterocyclic ring; each of X.sup.1 and X.sup.2 is oxygen, sulfur or .dbd.NR.sup.17 ; each of X.sup.3 and X.sup.4 is oxygen, sulfur or .dbd.NR.sup.27 ; each of R.sup.13, R.sup.14, R.sup.15, R.sup.16, R.sup.17, R.sup.23, R.sup.24, R.sup.25, R.sup.26 and R.sup.27 is an alkyl, alkenyl, alkynyl, aralkyl, aryl or heterocyclic group or hydrogen; R.sup.14 and R.sup.15 may be combined with each other to form a heterocyclic ring; and R.sup. 24 and R.sup.25 may be combined with each other to form a heterocyclic ring.
    • 卤化银照相材料包括设置在载体上的卤化银乳剂层。 在本发明的照相材料中,卤化银乳剂层含有由式(I)或(II)表示的碲化合物:其中R11和R12各自为-OR13,-NR14R15,-SR16或 氢; R 11和R 12可以相互结合形成杂环; R 21和R 22各自为烷基,烯基,炔基,芳烷基,芳基或杂环基,-OR 23,-NR 24 R 25,-SR 26或氢; R 21和R 22可以相互结合形成杂环; X1和X2各自为氧,硫或= NR17; X3和X4各自为氧,硫或= NR27; R 13,R 14,R 15,R 16,R 17,R 23,R 24,R 25,R 26和R 27中的每一个是烷基,烯基,炔基,芳烷基,芳基或杂环基或氢; R 14和R 15可以相互结合形成杂环; 并且R 24和R 25可以彼此结合形成杂环。