公开(公告)号：US3969116A

公开(公告)日：1976-07-13

申请号：US525036

申请日：1974-11-18

申请人： Keisuke Shiba ,  Seiiti Kubodera

发明人： Keisuke Shiba ,  Seiiti Kubodera

IPC分类号： G03C1/28 ,  G03C5/04 ,  G03C1/14

CPC分类号： G03C1/28

摘要： A silver halide photographic sensitive element for flash exposure having at least a photographic silver halide emulsion layer which is characterized by containing at least a sensitizing dye having a reduction potential in a range of -0.7 volts - -1.7 volts and at least a sensitizing dye having a reduction potential in a range of -0.7 volts - -1.7 volts and an oxidation potential of larger than a value which is approximately 0.5 volts smaller than the oxidation potential of said sensitizing dye or at least a substantially colorless compound having an oxidation potential of larger than a value which is approximately 0.5 volts smaller than the oxidation potential of said sensitizing dye as the combination having a supersensitization function.

摘要翻译： 一种用于闪光曝光的卤化银照相感光元件，其具有至少一种照相卤化银乳剂层，其特征在于至少含有一种具有-0.7伏-1.7伏范围内的还原电位的敏化染料和至少一种具有 在-0.7伏-1.7伏特的范围内的还原电位和大于比所述敏化染料或至少具有较大氧化电位的基本上无色的化合物小约0.5伏的值的氧化电位 比作为具有超敏化功能的组合的所述敏化染料的氧化电位小约0.5伏的值。

公开(公告)号：US3953215A

公开(公告)日：1976-04-27

申请号：US489013

申请日：1974-07-16

申请人： Masanao Hinata ,  Haruo Takei ,  Akira Sato ,  Masao Takano ,  Nobuaki Miyasaka

发明人： Masanao Hinata ,  Haruo Takei ,  Akira Sato ,  Masao Takano ,  Nobuaki Miyasaka

IPC分类号： G03C7/26 ,  G03C1/28 ,  G03C1/29 ,  G03C1/14

CPC分类号： G03C1/29 ,  Y10S430/168

摘要： A silver halide photographic emulsion containing in a supersensitizing amount the combination of at least one sensitizing dye represented by the general formula (I) ##SPC1##wherein, A.sub.1, A.sub.2, A.sub.3 and A.sub.4 each represents a member selected from the group consisting of a hydrogen atom, a lower alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, an aryl group, a carboxyl group, an alkoxycarbonyl group, a cyano group, a trifluoromethyl group, an amino group, an acylamide group, an acyloxyl group, an alkoxycarbonylamino group, and a carbalkoxy group; and A.sub.1 and A.sub.2 and A.sub.3 and A.sub.4 can combine to form a naphthoxazole nucleus; R.sub.o represents a hydrogen atom, a lower alkyl group or an aryl group; R.sub.1 and R.sub.2 each represents an alkyl group, provided that at least one of R.sub.1 or R.sub.2 represents a sulfoalkyl group; X.sub.1 represents an anion; and n is equal to 1 or 2 with n being equal to 1 when the sensitizing dye forms an intromolecular salt, and at least one sensitizing dye represented by the general formula (II) ##SPC2##wherein, Z.sub.1 and Z.sub.2 each represents the non-metallic atoms necessary to form a nucleus selected from the group consisting of a thiazole nucleus, a thiazoline nucleus, an oxazole necleus, a selenazole nucleus, a 3,3-dialkylindolenine nucleus, and an imidazole nucleus; R.sub.3 and R.sub.4 each represents an alkyl group; X.sub.2 represents an anion; m is equal to 1 or 2 with m being equal to 1 when the sensitizing dye forms an intramolecular salt.

摘要翻译： 包含超敏量的至少一种由通式（I）表示的增感染料的组合的卤化银照相乳剂，其中，A1，A2，A3和A4各自表示选自氢原子， 低级烷基，烷氧基，卤素原子，羟基，芳基，羧基，烷氧基羰基，氰基，三氟甲基，氨基，酰基酰胺基，酰氧基，烷氧基羰基氨基 基团和碳烷氧基; A1和A2以及A3和A4可结合形成萘恶唑核; Ro表示氢原子，低级烷基或芳基; R1和R2各自表示烷基，条件是R 1或R 2中的至少一个表示磺基烷基; X1表示阴离子; 并且n等于1或2，当敏化染料形成分子盐时，n等于1，和至少一种由通式（II）表示的敏化染料，其中Z1和Z2各自表示非金属原子所必需的 形成选自噻唑核，噻唑啉核，恶唑核，硒唑核，3,3-二环丁烯醇核和咪唑核的核; R3和R4各自表示烷基; X2表示阴离子; 当敏化染料形成分子内盐时，m等于1或2，m等于1。

公开(公告)号：US3861920A

公开(公告)日：1975-01-21

申请号：US43022374

申请日：1974-01-02

申请人： POLAROID CORP

发明人： BORROR ALAN L ,  HILL RUTH LINDA ,  REID JEROME L

IPC分类号： G03C1/29 ,  G03C1/40 ,  G03C1/14

CPC分类号： G03C1/29

摘要： A photosensitive silver halide emulsion is disclosed which is spectrally sensitized with a dye combination comprising a symmetrical benzoxazolocarbocyanine dye of the formula:

WHEREIN R represents hydrogen or a lower alkyl group possessing from 1 to 3 carbon atoms, inclusive; and each R1 represents a carboxyalkyl or sulfoalkyl group possessing from 1 to 4 carbon atoms, inclusive, in the alkylene chain; Y represents an anion; and n represents 0 or 1, with n 0 in the inner salt form of the dye; and an unsymmetrical benzimidazolocarbocyanine dye of the formula:

WHEREIN Y and n possess the same meaning as in Formula I; X is S or Se; R2 is a lower alkyl group possessing from 1 to 3 carbon atoms inclusive; R3 and R4 are the same or different and represent a carboxyalkyl or sulfoalkyl group, each possessing from 1 to 4 carbon atoms, inclusive, in the alkylene chain, or a lower alkyl group, with at least one of R3 and R4 being said carboxyalkyl or sulfoalkyl group; R5 is halogen, cyano, or lower carboxyalkyl; R6 is hydrogen or halogen; and Z represents the non-metallic atoms necessary to complete a benzothiazole or benzoselenazole nucleus.

摘要翻译： 公开了一种感光卤化银乳剂，其用染料组合进行光谱增感，染料组合包含下式的对称苯并恶唑碳花青染料：

公开(公告)号：US3832189A

公开(公告)日：1974-08-27

申请号：US30953172

申请日：1972-11-24

申请人： FUJI PHOTO FILM CO LTD

发明人： IKEDA T ,  SATO A ,  OGAWA A ,  SHIBA K ,  HINATA M

IPC分类号： G03C7/26 ,  C09B23/06 ,  G03C1/28 ,  G03C1/29 ,  G03C1/14

CPC分类号： G03C1/29 ,  C09B23/06

摘要： A GREEN-SENSTIVE SILVER HALIDE PHOTOGRAPHIC EMULSION FOR COLOR PHOTOGRAPHIC MATERIALS SUPER-SENSITIZED BY A COMBINATION OF A SPECIFIC BENZIMIDAZOLO OXACARBOCYAMINE DYE AND A SPECIFIC OXACARBOCYAMINE DYE.

公开(公告)号：US3799783A

公开(公告)日：1974-03-26

申请号：US21474572

申请日：1972-01-03

申请人： POLAROID CORP

发明人： HILL R ,  ROSENOFF A

IPC分类号： G03C1/29 ,  G03C1/14

CPC分类号： G03C1/29

摘要： A FILM UNIT IS DISCLOSED WHEREIN A PHOTOSENSITIVE SILVER HALIDE EMULSION IS GIVEN IMPROVED GREEN SENSITIVITY BY SPECTRALLY SENSITIZING SAID EMULSION WITH A COMBINATION OF UNSYMMETRICAL 2''-CYANINE AND BENZIMIDAZOLOCARBOCYANINE DYES.

公开(公告)号：US3770450A

公开(公告)日：1973-11-06

申请号：US3770450D

申请日：1971-04-27

申请人： FUJI PHOTO FILM CO LTD

发明人： KAWANO H ,  KATO H ,  TSUJI N

IPC分类号： G03C1/485 ,  G03C1/14 ,  G03C1/72

CPC分类号： G03C1/4853

摘要： A direct positive silver halide photosensitive material containing in its silver halide emulsion layer and/or the adjacent layer(s) thereof (1) at least one sensitizing dye represented by the following general formula I:

wherein R and R'' are each an alkyl or a substituted alkyl group, L is a methine chain, Z represents the group of atoms necessary to form a five or six membered nitrogen-containing heterocyclic nucleus, X is an anion and n is 0 or 1, and (2) at least one water-soluble (high) polymer having repeating units represented by the following general formula II:

wherein R1 is H or CH3, R2 is -OH, -OCOR3, -COOR3, -CN, -CONH2, -CONHR3,

in which R3 and R4 each represents an alkyl group of from one to four carbon atoms and R5 represents H, CH3 or C2H5, and x is a positive number of from 50 to 100 representing the percentage ratio, is disclosed.

摘要翻译： 在其卤化银乳剂层和/或其相邻层（1）中含有至少一种由以下通式I表示的敏化染料的直接正卤化银感光材料：

公开(公告)号：US3769026A

公开(公告)日：1973-10-30

申请号：US3769026D

申请日：1971-09-28

申请人： FUJI PHOTO FILM CO LTD

发明人： SATO A ,  SHIBA K ,  TAKEI H

IPC分类号： G03C1/28 ,  C09B23/06 ,  C09B23/10 ,  G03C1/29 ,  G03C1/14 ,  G03C1/22

CPC分类号： C09B23/06 ,  C09B23/105 ,  G03C1/29

摘要： Silver halide emulsions containing a supersensitizing combination of at least one sensitizing carbocyanine dye and at least one merocyanine dye containing a tetrazole nucleus giving a high white light sensitivity or red sensitivity.

摘要翻译： 含有至少一种敏化碳菁染料和至少一种含有四唑核的部花青染料的超敏化组合的卤化银乳剂，其具有高白光光敏度或红色敏感性。

公开(公告)号：US3752670A

公开(公告)日：1973-08-14

申请号：US3752670D

申请日：1971-12-29

申请人： EASTMAN KODAK CO

发明人： NEEDLER D ,  GRAHAM J

IPC分类号： C09B23/04 ,  G03C1/16 ,  G03C7/30 ,  G03C7/392 ,  G03C1/14 ,  G03C7/00

CPC分类号： G03C7/39292 ,  C09B23/04 ,  G03C1/16 ,  G03C7/3041 ,  G03C2200/25

摘要： A COLOR PHOTOGRAPHIC ELEMENT COMPRISING A BLUESENSITIZED SILVER HALIDE EMULSION LAYER HAVING A MAXIMUM LIGHT ABSORPTION WITHIN ABOUT 480=500 NM. AND HAVING SUBSTANTIALLY NO ABSORPTION ABOVE ABOUT 510 NM., CONTAINING A BENZO- OR NAPHTHO-THIA, OXA- OR SELENACARBOCYANINE SALT AS A BLUE SPECTRAL SENSITIZER DYE, AN INNER GREENSENSITIZED EMULSION LAYER RESPONSIVE TO LIGHT WITHIN ABOUT 525-590 NM. AND AN INTERMEDIATE FILTER LAYER THAT FILTERS LIGHT IN THE RANGE OF ABOUT 400-520 NM.; AND ALSO A METHOD FOR IMPROVING PHOTOGRAPHIC RECORDAL OF OBJECTS SUBMERGED IN WATER BY USING SUCH PHOTOGRAPHIC ELEMENTS.

公开(公告)号：US3746539A

公开(公告)日：1973-07-17

申请号：US3746539D

申请日：1972-02-09

申请人： FUJI PHOTO FILM CO LTD

发明人： OHMATSU H ,  UEDA H

IPC分类号： C09B23/04 ,  C09B23/06 ,  C09B29/50 ,  G03C1/83 ,  G03C1/14 ,  G03C1/16 ,  G03C1/18

CPC分类号： C09B29/366 ,  C09B23/04 ,  C09B23/06 ,  G03C1/83

摘要： A MULTIPLE LAYER TYPE COLOR PHOTOGRAPHIC SILVER HALIDE LIGHT-SENSITIVE MATERIAL FOR COLOR PRINTS HAVING AT LEAST A BLUE-SENSITIVE PHOTOGRAPHIC EMULSION LAYER IN WHICH THE SPECTRAL SENSITIVITY OF THE BLUE-SENSITIVE SILVER HALIDE EMULSION LAYER IS LIMITED TO THE REGION OF ABOUT 440 TO ABOUT 460 NM., IN WHICH AT LEAST ONE DYE HAVING ITS ABSORPTION MAXIMUM AT A WAVELENGTH REGION SHORTER THAN ABOUT 440 NM. AND/OR IN A REGION OF ABOUT 460 TO ABOUT 520 NM. IS INCORPORATED IN THE BLUE-SENSITIVE PHOTOGRAPHIC EMULSION LAYER OF THE LIGHT-SENSITIVE MATERIAL AND/OR IN A LAYER COATED ON THE BLUE-SENSITIVE PHOTOGRAPHIC EMULSION LAYER.

公开(公告)号：US3623882A

公开(公告)日：1971-11-30

申请号：US3623882D

申请日：1969-10-06

申请人： AGFA GEVAERT AG

发明人： GOTZE JOHANNES ,  DEPOORTER HENRI ,  GHYS THEOPHIEL HUBERT

IPC分类号： C07D491/04 ,  G03C1/10 ,  G03C1/12 ,  G03C1/14 ,  C07D49/38 ,  C09B23/02

CPC分类号： C07D491/04 ,  G03C1/10 ,  G03C1/12

摘要： A SUBSTITUTED BENZIMIDAZOLE COMPOUND FOR PHOTOGRAPHIC SILVER HALIDE EMULSIONS IS PROVIDED IN A COMPOUND ACCORDING TO THE FOLLOWING GENERAL FORMULAE:

5-R1,6-R3,7-R2-5H-1,3-DIOXOLO(4,5-F)BENZIMIDAZOLIUM A(-)

5-R1,6-(R4=),7-R2-6,7-DIHYDRO-5H-1,3-DIOXOLO(4,5-F)

BENZIMIDAZOLE (II)

IN WHICH R1 IS AN ALKYL GROUP; R2 IS AN SATURATED OR UNSATURATED ALIPHATIC GROUP; R3 IS A METHYL OR METHYLTHIO GROUP OR A METHINE CHAIN; R4 IS ONE OF THE USUAL CYCLIC KETOMETHYLENE RADICALS OF CYANINE CHEMISTRY; A- IS ANY ANION, A BEING ABSENT IF R2 CONTAINS AN ACID GROUP IN WHICH CASE A BETAINE STRUCTURE IS PRESENT.