Photographic material having enhanced light absorption
    41.
    发明授权
    Photographic material having enhanced light absorption 失效
    具有增强的光吸收的照相材料

    公开(公告)号:US06620581B1

    公开(公告)日:2003-09-16

    申请号:US09690068

    申请日:2000-10-16

    IPC分类号: G03C108

    CPC分类号: G03C1/29

    摘要: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dyes: (a) a first dye that has at least one anionic substituent and that is capable of spectrally sensitizing a silver halide emulsion; and (b) a second dye that absorbs light at an equal or shorter wavelength than the first dye and that has at least one cationic substituent and that is highly fluorescent.

    摘要翻译: 本发明包括卤化银照相材料,其包含至少一种包含卤化银颗粒的卤化银乳剂,所述卤化银颗粒具有至少两种染料:(a)具有至少一个阴离子取代基的第一种染料,并能够对卤化银进行光谱增感 乳液 和(b)第二种染料,其吸收与第一染料相同或更短的波长的光,并且具有至少一个阳离子取代基并且是高度荧光的。

    Sensitizing dye combination for photographic materials
    42.
    发明授权
    Sensitizing dye combination for photographic materials 失效
    敏化染料组合用于摄影材料

    公开(公告)号:US5597687A

    公开(公告)日:1997-01-28

    申请号:US545368

    申请日:1995-10-19

    IPC分类号: G03C1/08 G03C1/29

    CPC分类号: G03C1/29

    摘要: A supersensitizing dye combination for silver halide photographic materials is disclosed. The combination is of a first dye according to the formula: ##STR1## Z.sub.1 and Z.sub.2 each independently represents the atoms necessary to complete a substituted or unsubstituted heterocyclic nucleus,each L independently represents a substituted or unsubstituted methine group,n is a positive integer of from 1 to 4,p and q each independently represents 0 or 1,X represents a cation as needed to balance the charge of the molecule,A and A' each independently represents a divalent linking group such that at least one of H--A--SO.sub.3 H and H--A'--SO.sub.3 H would each have a log P value that is more negative than -0.3, anda second dye, having an oxidation potential that is at least about 0.08 volts less positive than the oxidation potential of the first dye and a reduction potential that is equal to or more negative than the reduction potential of the first dye, according to the formula: ##STR2## Z.sub.3 and Z.sub.4 each independently represents the atoms necessary to complete a substituted or unsubstituted heterocyclic nucleus,each L independently represents a substituted or unsubstituted methine group,m is a positive integer of from 1 to 4,r and s each independently represents 0 or 1,X' represents a counterion as needed to balance the charge of the molecule,R.sub.3 and R.sub.4 each independently represents substituted or unsubstituted alkyl or substituted or unsubstituted aryl.

    摘要翻译: 公开了用于卤化银照相材料的超敏化染料组合。 该组合是根据下式的第一种染料:并且表示完成取代或未取代的杂环核所需的原子,每个L独立地表示取代或未取代的次甲基,n是1至4的正整数,p和 q各自独立地表示0或1,X表示用于平衡分子的电荷所需的阳离子,A和A'各自独立地表示二价连接基团,使得HA-SO 3 H和H-A'-SO 3 H中的至少一个将 每个具有比-0.3更负的对数P值,并且具有比第一染料的氧化电位小至少约0.08伏的氧化电位的第二染料和等于或等于或等于或等于 根据下列公式,阴性比第一种染料的还原电位:完成取代或未取代的杂环核所必需的e原子,每个L独立地表示取代或未取代的 次甲基,m为1至4的正整数,r和s各自独立地表示0或1,X'表示平衡分子电荷所需的抗衡离子,R 3和R 4各自独立地表示取代或未取代的烷基 或取代或未取代的芳基。

    Silver halide photographic elements with particular blue sensitization
    44.
    发明授权
    Silver halide photographic elements with particular blue sensitization 失效
    具有特殊蓝色敏化的卤化银照相元件

    公开(公告)号:US5516628A

    公开(公告)日:1996-05-14

    申请号:US429370

    申请日:1995-04-26

    CPC分类号: G03C1/16

    摘要: A photographic element with a silver halide emulsion having a maximum sensitivity in the visible region at less than 480 nm and being sensitized by a dye of formula (I): ##STR1## wherein: X.sub.1 and X.sub.2 each independently represent S, Se or O; R.sub.1 and R.sub.2 are, independently, an alkyl group; Z represents an aromatic group or heteroaromatic group that is directly appended to the benzene ring shown or is attached through a linking group provided that the atoms of the linking group are sp.sup.2 hybridized, or Z can be a fused aromatic ring group; the benzene rings shown can be further substituted or unsubstituted, and; A' is one or more ions as needed to balance the charge on the molecule.

    摘要翻译: 一种具有卤化银乳剂的照相元件,其在可见光区域内的小于480nm处具有最大的灵敏度,并被式(I)的染料敏化:其中:X 1和X 2各自独立地表示S,Se 或O; R1和R2独立地为烷基; Z表示直接附着在所示的苯环上或通过连接基团连接的芳族基团或杂芳族基团,条件是连接基团的原子是sp2杂化的,或Z可以是稠合芳环基团; 所示的苯环可以进一步取代或未取代, A'是平衡分子上电荷所需的一种或多种离子。

    Photographic silver halide element containing infrared filter dyes
    45.
    发明授权
    Photographic silver halide element containing infrared filter dyes 失效
    含红外线滤光片的摄影卤化银元素

    公开(公告)号:US4933269A

    公开(公告)日:1990-06-12

    申请号:US441746

    申请日:1989-11-27

    IPC分类号: C09B23/01 G03C1/83

    摘要: A infrared absorbing filter dye that also imparts a cool image tone after processing is disclosed for use in photographic elements. The dye has the formula: ##STR1## where Z and Z' each independently represents the atoms necessary to complete a substituted or unsubstituted: thiazole nucleus, selenazole nucleus, indole nucleus, imidazole nucleus, or quinoline nucleus,R.sub.1 and R.sub.2 each independently substituted or unsubstituted alkyl or substituted or unsubstituted aryl,Z" represents the atoms necessary to complete a substituted or unsubstituted heterocyclic ring,Q represents the atoms necessary to complete a substituted or unsubstituted carbocyclic ring,m and n each independently represents 0 or 1, andX represents a counterion as needed to balance the charge of the molecule.

    摘要翻译: 公开了一种在照相元件上使用也能赋予处理后的凉爽图像色调的红外线吸收滤光染料。 染料具有下式:其中Z和Z'各自独立地表示完成取代或未取代的:噻唑核,硒唑核,吲哚核,咪唑核或喹啉核所需的原子,R1和 R2各自独立地取代或未取代的烷基或取代或未取代的芳基,Z“表示完成取代或未取代的杂环所必需的原子,Q表示完成取代或未取代的碳环所必需的原子,m和n各自独立地表示0 或1,X表示平衡分子电荷所需的抗衡离子。

    Photographic silver halide elements containing infrared filter dyes
    46.
    发明授权
    Photographic silver halide elements containing infrared filter dyes 失效
    含有红外线滤光染料的摄影卤化银元素

    公开(公告)号:US4871656A

    公开(公告)日:1989-10-03

    申请号:US166134

    申请日:1988-03-10

    IPC分类号: C09B23/01 C09B23/08 G03C1/83

    摘要: A dye useful for absorbing infrared radiation in photographic elements, having the structure: ##STR1## is disclosed. In this formula, R.sub.1 and R.sub.2 each independently represents sulfoalkyl, carboxyalkyl, or sulfatoalkyl, from 2 to 4 carbon atoms, having 2 carbon atoms in the alkyl chain linking the nitrogen atom of each Z ring and the sulfo or sulfato group, and 1 carbon atom in the alkyl chain linking the nitrogen atom of each Z ring and the carboxy group.R.sub.3 and R.sub.5 are each hydrogen or together represent the atoms necessary to complete a 5- or 6-membered carbocyclic ring, and R.sub.4 represents hydrogen, alkyl of 1 to 4 carbon atoms, halogen, cyano, or ##STR2## where R.sub.6 and R.sub.7 each independently represents alkyl of from 1 to 6 carbon atoms or aryl or together represent the non-metallic atoms necessary to form a 5- or 6-membered heterocyclic ring.X.sup..sym. represents a cation.Z.sub.1 and Z.sub.2 each independently represent the atoms needed to complete an indole, naphthindole or benzindole nucleus.

    摘要翻译: 公开了一种用于吸收照相元件中的红外辐射的染料,具有以下结构:。 在该式中,R 1和R 2各自独立地表示在连接每个Z环的氮原子和磺基或硫酸根的烷基链中具有2个碳原子的2至4个碳原子的磺基烷基,羧基烷基或硫酸酯基烷基,以及1个碳 连接每个Z环的氮原子和羧基的烷基链中的原子。 R 3和R 5各自为氢或一起表示完成5-或6-元碳环所必需的原子,R 4表示氢,1-4个碳原子的烷基,卤素,氰基或者其中R 6和R 7各自 独立地表示1至6个碳原子的烷基或芳基或一起表示形成5或6元杂环所必需的非金属原子。 X(+)表示阳离子。 Z1和Z2各自独立地表示完成吲哚,萘啶或萘吲哚核所需的原子。