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    • 7. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5422238A
    • 1995-06-06
    • US165540
    • 1993-12-13
    • Akihiko IkegawaMasayuki KuramitsuMasaki Okazaki
    • Akihiko IkegawaMasayuki KuramitsuMasaki Okazaki
    • C09B23/02G03C1/14G03C1/16G03C1/18G03C1/20
    • G03C1/14C09B23/02
    • A novel silver halide photographic material comprising at least one methine compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.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 in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represents an alkyl group, alkoxy group or amino group, r, s, t and u each represents an integer 1 to 5; and R.sup.2 represents has the same meaning as R.sup.1 or represents an alkyl group; Z.sup.1 and Z.sup.2 each represents a nonmetallic atom group required to form a 5- or 6-membered heterocyclic group; p and q each represents an integer 0 or 1; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; m represents an integer 0 to 2; X represents an anion; and k represents an integer required to adjust the charge in the molecule to 0. The silver halide photographic material may comprise at least one methine compound represented by the general formula (I) and at least one water-soluble dye.
    • 一种新型的卤化银照相材料,其包含由以下通式(I)表示的至少一种次甲基化合物:其中R1表示 - (CH2)r-CONHSO2-R3, - (CH2)s-SO2NHCO-R4 , - (CH2)t-CONHCO-R5或 - (CH2)u-SO2NHSO2-R6,其中R3,R4,R5和R6各自表示烷基,烷氧基或氨基,r,s,t和u各自表示 整数1〜5; 和R 2表示与R 1相同或表示烷基; Z1和Z2各自表示形成5或6元杂环基团所需的非金属原子团; p和q各自表示整数0或1; L1,L2和L3各自表示次甲基; m表示0〜2的整数。 X表示阴离子; 并且k表示将分子中的电荷调节至0所需的整数。卤化银照相材料可以包含至少一种由通式(I)表示的次甲基化合物和至少一种水溶性染料。
    • 9. 发明授权
    • Silver halide photographic material and method of processing the same
    • 卤化银照相材料及其加工方法相同
    • US5294532A
    • 1994-03-15
    • US945922
    • 1992-09-17
    • Tadashi ItoTakanori HiokiAkihiko Ikegawa
    • Tadashi ItoTakanori HiokiAkihiko Ikegawa
    • G03C1/09G03C1/18G03C1/29
    • G03C1/29G03C1/09G03C1/18G03C2001/03517G03C2001/03535G03C2001/093G03C2007/3025G03C2200/27G03C2200/34G03C2200/39G03C2200/45G03C2200/52
    • Disclosed is a silver halide photographic material for medical use, in which the coated amount of silver per surface of the support is 2.8 g/m.sup.2 or less, the silver halide grains in the coated silver halide emulsion layer have a silver chloride content of 10 to 50 mol %, they contain 10.sup.-8 mol or more, per mol of silver, of an iridium compound and they have been spectrally-sensitized to be sensitive to rays of from 600 to 700 nm wavelength range. The material may be processed by rapid processing and has a high sensitivity and high covering power. Also disclosed is a silver halide photographic material for laser exposure, in which the emulsion contains 10.sup.-8 mol or more, per mol of silver, of an iridium compound and is spectrally-sensitized with a sensitizing dye of formula (III): ##STR1## where V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.7 and V.sub.8 each represent a hydrogen atom or a monovalent substituent, and they satisfy the following conditions:where f value of Vk (k=1 to 8) is Vkf,A.sub.1 =V.sub.1 f+V.sub.2 f+V.sub.3 f+V.sub.4 f, andA.sub.2 =V.sub.5 f+V.sub.6 f+V.sub.7 f+V.sub.8 f;then A.sub.1
    • 公开了用于医​​疗用途的卤化银照相材料,其中每个表面的银的涂布量为2.8g / m 2以下,涂覆的卤化银乳剂层中的卤化银颗粒的氯化银含量为10〜 50摩尔%,它们含有10-8摩尔或更多的每摩尔银铱化合物,并且它们已被光谱增感以对于600-700nm波长范围的光敏感。 该材料可以通过快速加工处理,并且具有高灵敏度和高覆盖力。 还公开了一种用于激光曝光的卤化银照相材料,其中乳液每摩尔银含有10-8摩尔或更多的铱化合物,并用式(III)的敏化染料进行光谱增感:(* 化学结构*)(III)其中V1,V2,V3,V4,V5,V6,V7和V8各自表示氢原子或一价取代基,它们满足以下条件:其中V k(k = 1〜 8)是Vkf,A1 = V1f + V2f + V3f + V4f,A2 = V5f + V6f + V7f + V8f; 那么A1 <1.63,或A2 <1.63; R1和R2各自表示取代或未取代的烷基; L1,L2和L3各自表示取代或未取代的次甲基; M1表示电荷中和对离子; m1是中和分子的电荷所必需的0以上的数。 这具有高灵敏度,并且可以通过超快速处理系统处理,导致处理材料中的残留颜色很少。
    • 10. 发明授权
    • Method for processing a black-and-white photosensitive material
    • 黑白感光材料的处理方法
    • US4960683A
    • 1990-10-02
    • US212995
    • 1988-06-29
    • Masaki OkazakiAkihiko IkegawaMinoeu YamadaKunio Steo
    • Masaki OkazakiAkihiko IkegawaMinoeu YamadaKunio Steo
    • G03C5/26G03C5/38
    • G03C5/38G03C5/268
    • A method for processing a black-and-white photosensitive material comprising the steps of:(a) exposing a silver halide photosensitive material having been spectrally sensitized with a sensitizing dye;(b) developing the exposed material;(c) fixing the developed material; and(d) thereafter at least one step selected from washing the material and stabilizing the material;at least one of the fixing, washing and stabilizing steps being performed in the presence of at least one compound represented by formula (I) or (II) or a salt thereof; ##STR1## wherein A represents an atomic group necessary for forming a saturated or unsaturated 3-membered to 8-membered ring comprising at least one hetero atom selected from an oxygen atom, a nitrogen atom, a sulfur atom and a selenium atom; and M represents a hydrogen atom or a counter cation; andX--(R.sub.1 --S).sub.n --R.sub.2 --S--R.sub.3 --Y (II)wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents an alkylene group; R.sub.1 and R.sub.3 may be linked to form a ring, R.sub.2 and R.sub.3 may be linked to form a ring; X and Y, which may be the same or different, each represents a hydrogen atom, an alkyl group, an amino group, an ammonio group, a hydroxyl group, a carboxyl group, a sulfo group, an aminocarbonyl group or an aminosulfonyl group, and X and Y may be linked to form a ring; and n is an integer of from 0 to 10.
    • 一种用于处理黑白感光材料的方法,包括以下步骤:(a)用敏化染料曝光已被光谱增感的卤化银感光材料; (b)开发暴露的材料; (c)固定开发材料; 和(d)此后,选择洗涤材料和稳定材料的至少一个步骤; 在至少一种由式(I)或(II)表示的化合物或其盐的存在下进行固定,洗涤和稳定步骤中的至少一个; (I)其中A表示形成饱和或不饱和的3元至8元环所必需的原子团,其包含至少一个选自氧原子,氮原子,硫原子和硒原子的杂原子 ; M表示氢原子或抗衡阳离子; 和X - (R 1 -S)n -R 2 -S-R 3 -Y(II)其中R 1,R 2和R 3可以相同或不同,各自表示亚烷基; R 1和R 3可以连接形成环,R 2和R 3可以连接形成环; X和Y可以相同或不同,分别表示氢原子,烷基,氨基,氨基,羟基,羧基,磺基,氨基羰基或氨基磺酰基, X和Y可以连接形成环; n为0〜10的整数。