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    • 1. 发明授权
    • Silver halide photographic emulsion
    • US5198332A
    • 1993-03-30
    • US512603
    • 1990-04-23
    • Akihiko IkegawaYuichi OhashiMasaki Okazaki
    • Akihiko IkegawaYuichi OhashiMasaki Okazaki
    • G03C1/18
    • G03C1/18
    • A silver halide photographic emulsion which contains at least one of the compounds represented by the following general formula (I) each having a maximum value of spectral sensitivity in a wavelength of 520 nm or more and less than 545 nm, as a sensitizing dye. ##STR1## wherein R.sub.0 and R.sub.1 may be the same or different, and represent hydrogen atoms, unsubstituted or substituted alkyl groups, unsubstituted or substituted aryl groups, unsubstituted or substituted alkoxy groups, unsubstituted or substituted aryloxy groups, halogen atoms, unsubstituted or substituted alkoxycarbonyl groups, unsubstituted or substituted acylamino groups, unsubstituted or substituted acyl groups, cyano groups, unsubstituted or substituted carbamoyl groups, unsubstituted or substituted sulfamoyl groups, carboxyl groups, or unsubstituted or substituted acyloxy groups, provided that R.sub.0 and R.sub.1 do not represent hydrogen atoms at the same time; R.sub.2 represents a hydrogen atom, an unsubstituted or substituted alkyl group, or an unsubstituted or substituted aryl group; R.sub.3 represents an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted acyl group, an unsubstituted or substituted acyloxy group, an unsubstituted or substituted alkoxycarbonyl, or an unsubstituted or substituted acylamino group, and furthermore B is a substituent having such L and B that S value is 544 or less in the equation of S=3.536L-2.661B+535.4 wherein L represents a parameter of STERIMOL, and B represents the smaller value among B.sub.1 +B.sub.3 which are parameters of STERIMOL, provided that R.sub.0 and R.sub.3, or R.sub.1 and R.sub.3 do not represent unsubstituted or substituted aryl groups at the same time; R.sub.4 and R.sub.5 may be the same or different and represent unsubstituted or substituted alkyl groups; X represents a counter anion; and n is 0 or 1, and when an inner salt is formed, n is 0.Stability in preservation after application is improved.
    • 2. 发明授权
    • Silver halide photographic emulsion
    • US4970141A
    • 1990-11-13
    • US154555
    • 1988-02-10
    • Akihiko IkegawaMasaki OkazakiYuichi Ohashi
    • Akihiko IkegawaMasaki OkazakiYuichi Ohashi
    • G03C1/18G03C1/29
    • G03C1/29
    • A silver halide photographic emulsion containing at least one of the compounds of formula (I) and at least one of the compounds of formula (III), or further containing at least one of the compounds of formula (II) besides the above at least two compounds: ##STR1## wherein R.sub.0, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.11 each represent various groups; X.sub.1.sup..crclbar., X.sub.2.sup..crclbar. and X.sub.3.sup..crclbar. each represent counter anions; l, m and n are each 0 or 1; Z.sub.1 and Z.sub.2 each represent nonmetal atomic groups necessary for forming unsubstituted or substituted benzene rings, or unsubstituted or substituted naphthalene rings; and Z.sub.3 and Z.sub.4 each represent nonmetal atomic groups necessary for forming unsubstituted or substituted naphthalene rings.The silver halide photographic emulsions are enhanced in spectral light-sensitivity of green wavelength region, and photographic light-sensitive materials prepared using these emulsions are not only enhanced in spectral sensitivity of green short wavelength region, but also excellent in inhibiting fog increase and sensitivity lowering during preservation.
    • 3. 发明授权
    • Silver halide photographic emulsion
    • US4889796A
    • 1989-12-26
    • US136991
    • 1987-12-23
    • Akihiko IkegawaYuichi OhashiMasaki Okazaki
    • Akihiko IkegawaYuichi OhashiMasaki Okazaki
    • G03C1/18G03C1/29
    • G03C1/29
    • A silver halide photographic emulsion which contains at least one of the compounds represented by the following general formula (I), and at least one compound selected from the group consisting of the compounds represented by the general formula (II) and the compounds represented by the general formula (III): General formula (I) ##STR1## wherein R.sub.0 and R.sub.1 may be the same or different, and represent hydrogen atoms, alkyl, aryl, alkoxy, aryloxy groups, halogen atoms, alkoxycarbonyl, acylamino, acyl, cyano carbamoyl, sulfamoyl, carboxyl, or acyloxy groups under the condition that R.sub.0 and R.sub.1 do not represent hydrogen atoms at the same time; R.sub.2 represents a hydrogen atom, alkyl, or aryl, R.sub.3 represents alkyl, aryl, alkoxy, aryloxy, acyl, acyloxy, alkoxycarbonyl, or acylamino group and moreover R.sub.3 is required to be a substituent having such L and B that S value is 544 or less in the equation ofS=3.536L-2.661B+535.4wherein L (its unit is .ANG.) represents "L" as a STERIMOL parameter, and B (its unit is .ANG.) represents the smaller value among B.sub.1 +B.sub.4 and B.sub.2 +B.sub.3 which are STERIMOL parameters, under the condition that R.sub.1 and R.sub.3, or R.sub.0 and R.sub.3 do not represent aryl groups at the same time; R.sub.4 and R.sub.5 may be the same, and represent alkyl groups; X.sub.1.sup..crclbar. represents a counter anion; and l is 0 or 1, and when an inner salt is formed, l is 0; General formula (II) ##STR2## wherein Z.sub.1 and Z.sub.2 may be the same or different, and represent nonmetal atomic groups necessary for forming benzene rings, or naphthalene rings under the condition that Z.sub.1 and Z.sub.2 do not form naphthalene rings at the same time, and under the further condition that when Z.sub.1 and/or Z.sub.2 represent benzene rings having a substituent, the substituent does not represent a substituent defined as R.sub.3 ; R.sub.7 has the same significance with R.sub.2 ; R.sub.6 and R.sub.8 have the same significances with R.sub.4 and R.sub.5 respectively; X.sub.2.sup..crclbar. has the same significance with X.sub.1.sup..crclbar. ; and n has the same significance with l; General formula (III) ##STR3## wherein Z.sub.3 and Z.sub.4 may be the same or different, and represent nonmetal atomic groups necessary for forming benzene rings; Y represents a sulfur atom or a selenium atom; R.sub.9 and R.sub.11 have the same significances with R.sub.4 and R.sub.5 respectively; R.sub.10 has the same significance with R.sub.2 ; X.sub.3.sup..crclbar. has the same significance with X.sub.1.sup..crclbar., and n has the same significance with l.Photographic light-sensitive materials which have been coated with this emulsion have elevated spectral sensitivities in green short wavelength region and excellent preservabilities and stabilities.
    • 4. 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。
    • 6. 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。
    • 10. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5338656A
    • 1994-08-16
    • US49428
    • 1993-04-21
    • Akihiko IkegawaYuji MiharaMasaki Okazaki
    • Akihiko IkegawaYuji MiharaMasaki Okazaki
    • G03C1/22G03C1/12
    • G03C1/22
    • Disclosed is a silver halide photographic material comprising at least one compound (merocyanine dye) represented by the following general formula (I): ##STR1## wherein Z represents nonmetal atoms necessary to complete a 5- or 6-membered heterocyclic ring; X represents non-metal atoms necessary to complete a 5- or 6-membered acidic nucleus; R.sup.2 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 ; 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, s, t and u each represent an integer from 1 to 5; R.sup.1 has the same meaning as R.sup.2 or represents an alkyl group substituted by a sulfo or carboxyl group; p represents 0 or 1; L.sub.1 and L.sub.2 each represent a methine group; and n represents 0, 1, 2 or 3.
    • 公开了包含由以下通式(I)表示的至少一种化合物(部花青染料)的卤化银照相材料:其中Z表示完成5-或6-元杂环所必需的非金属原子; X表示完成5或6元酸性核所必需的非金属原子; R2表示 - (CH2)r-CONHSO2-R3, - (CH2)s-SO2NHCO-R4, - (CH2)t-CONHCO-R5或 - (CH2)u-SO2NHSO2-R6; 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1〜5的整数; R1具有与R 2相同的含义或表示被磺基或羧基取代的烷基; p表示0或1; L1和L2各自表示次甲基; n表示0,1,2或3。