公开(公告)号：US3955996A

公开(公告)日：1976-05-11

申请号：US524185

申请日：1974-11-15

申请人： Masanao Hinata ,  Masanaga Ohki ,  Haruo Takei ,  Yuji Mihara

发明人： Masanao Hinata ,  Masanaga Ohki ,  Haruo Takei ,  Yuji Mihara

IPC分类号： G03C1/08 ,  G03C1/12 ,  G03C1/24 ,  G03C1/16

CPC分类号： G03C1/12

摘要： A method for spectrally sensitizing a photographic light-sensitive emulsion, which comprises dissolving a photographic spectrally sensitizing dye having an amidinium ion auxochrome in an organic solvent containing a substantially water-free acid having a pKa not exceeding about 5, and adding this dye-containing acid-organic solvent solution to a light-sensitive emulsion.

摘要翻译： 一种用于对照相感光乳剂进行光谱增感的方法，其包括将具有脒离子辅助色素的照相光谱增感染料溶解在含有pKa不超过约5的基本上无水的酸的有机溶剂中，并加入该染料 酸 - 有机溶剂溶液加到感光乳剂上。

公开(公告)号：US3951666A

公开(公告)日：1976-04-20

申请号：US495171

申请日：1974-08-06

申请人： Masanao Hinata ,  Masanaga Ohki ,  Haruo Takei ,  Akira Sato ,  Tadashi Ikeda

发明人： Masanao Hinata ,  Masanaga Ohki ,  Haruo Takei ,  Akira Sato ,  Tadashi Ikeda

IPC分类号： G03C1/28 ,  C09B23/00 ,  G03C1/29 ,  G03C1/14

CPC分类号： G03C1/29

摘要： A silver halide photographic emulsion containing a supersensitizing amount of the combination of at least one dye represented by the general formula (I) ##SPC1##wherein Z represents the non-metal atoms necessary to form a benzene nucleus; R.sub.0, R.sub.1 and R.sub.2 each represents aliphatic groups, with at least one of R.sub.1 and R.sub.2 representing an alkyl group containing a carboxy group or an alkyl group containing a sulfo group; Y represents a halogen atom; X represents an acid anion; n represents an integer of 1 to 2, with n being 1 when the dye forms an intramolecular salt; and at least one dye represented by the general formula (II) ##EQU1## wherein Z.sub.1 represents the non-metal atoms necessary to form a 5-or 6-membered heterocyclic nucleus; Q represents the atoms necessary to form a rhodanine nucleus, a 2-thio-2,4-imidazolidinedione nucleus, a 2-pyrazoline-5-one nucleus, or a 2-thio-2,4-oxazolidinedione nucleus; R.sub.3 represents an aliphatic group; R.sub.4 represents a hydrogen atom, an alkyl group, an alkoxy group, or a mono-aryl group; m represents 1 or 2; and p represents 1 or 2.

摘要翻译： 含有超敏量的由通式（I）表示的至少一种染料的组合的卤化银照相乳剂，其中Z表示形成苯核所需的非金属原子; R 0，R 1和R 2各自表示脂族基团，R 1和R 2中的至少一个表示含有羧基或含有磺基的烷基的烷基; Y表示卤原子; X表示酸性阴离子; n表示1〜2的整数，当染料形成分子内盐时，n为1; 和由通式（II）表示的至少一种染料R4 Z1 | Q | R3-N-CH = CH）p-1C =（CH-C）m-1 = C --- C = O（II） 其中Z1表示形成5或6元杂环核所必需的非金属原子; Q表示形成绕丹宁核所需的原子，2-硫代-2,4-咪唑烷二酮核，2-吡唑啉-5-酮核或2-硫代-2,4-恶唑烷二酮核; R3代表脂族基团; R4表示氢原子，烷基，烷氧基或单芳基; m表示1或2; p表示1或2。

公开(公告)号：US3994733A

公开(公告)日：1976-11-30

申请号：US531416

申请日：1974-12-10

申请人： Masanao Hinata ,  Masanaga Ohki ,  Reiichi Ohi ,  Akira Ogawa ,  Akira Sato

发明人： Masanao Hinata ,  Masanaga Ohki ,  Reiichi Ohi ,  Akira Ogawa ,  Akira Sato

IPC分类号： C09B23/00 ,  G03C1/28 ,  G03C1/14

CPC分类号： G03C1/28

摘要： A silver halide photographic emulsion containing the combination of (i) at least one cyanine dye wherein two basic 5-membered and/or 6-membered nitrogen-containing heterocyclic nuclei are linked by methine groups having an odd number of carbon atoms not exceeding 7 and the substituents on the nitrogen atoms in the heterocyclic nuclei are aliphatic groups or aromatic groups with at least one of the substituents on the nitrogen atom being an alkyl group having a sulfo group or a carboxyl group, and (ii) at least one substantially colorless nitrogen-containing heterocyclic organic base selected from the group consisting of a benzothiazole, a benzothiazolone, a naphthothiazole, a naphthothiazolone, and a quinolone in a quantity sufficient to supersensitize.

摘要翻译： 含有（i）至少一种花青染料的组合的卤化银照相乳剂，其中两个碱性5元和/或6元含氮杂环核是通过具有奇数个碳原子数不超过7的次甲基和 杂环核中的氮原子上的取代基是脂族基团或芳族基团，其中至少一个氮原子上的取代基是具有磺基或羧基的烷基，和（ii）至少一个基本上无色的氮 的选自苯并噻唑，苯并噻唑酮，萘并噻唑，萘并噻唑酮和喹诺酮的杂环有机碱，其量足以超敏。

公开(公告)号：US4014702A

公开(公告)日：1977-03-29

申请号：US597606

申请日：1975-07-21

申请人： Masanao Hinata ,  Masanaga Ohki ,  Hartuo Takei ,  Akira Sato ,  Akira Ogawa

发明人： Masanao Hinata ,  Masanaga Ohki ,  Hartuo Takei ,  Akira Sato ,  Akira Ogawa

IPC分类号： C09B23/10 ,  G03C1/29 ,  G03C1/08

CPC分类号： C09B23/105 ,  G03C1/29

摘要： A silver halide photographic emulsion containing a spectrally sensitizing amount of a sensitizing dye represented by the general formula (I) ##STR1## and a sensitizing dye represented by the formula (II) ##STR2## wherein Z.sub.1 and Z.sub.2 each is an atomic group necessary to complete a benzoxazole ring or a naphthoxazole ring; R.sub.1 is an alkyl group or an allyl group; R.sub. 2 is an alkyl group or an allyl group; R.sub.3 is an unsubstituted lower alkyl group, a hydroxyalkyl group or a carboxyalkyl group; R.sub.4 is same as R.sub.1 ; R.sub.5 is an alkyl group, an allyl group or a phenyl group; R.sub.6 is an alkoxycarbonylalkyl group, a hydroxyalkoxyalkyl group, an acyloxyalkoxyalkyl group, an N-(N,N-dialkylaminoalkyl)carbamoylalkyl group, an N-(N,N,N-trialkylammonium)carbamoylalkyl group or an N,N,N-trialkylammoniumalkyl group; X.sup.- is an acid anion; and n is 0 or 1.

摘要翻译： 含有光谱增感量的由通式（I）表示的增感染料（I）和由式（II）表示的增感染料的卤化银照相乳剂，其中Z1和Z2分别为 是完成苯并恶唑环或萘并恶唑环所必需的原子团; R1是烷基或烯丙基; R 2为烷基或烯丙基; R3是未取代的低级烷基，羟烷基或羧基烷基; R4与R1相同; R5是烷基，烯丙基或苯基; R6是烷氧基羰基烷基，羟基烷氧基烷基，酰氧基烷氧基烷基，N-（N，N-二烷基氨基烷基）氨基甲酰基烷基，N-（N，N，N-三烷基铵）氨基甲酰基烷基或N，N，N-三烷基铵烷基 组; X - 是酸性阴离子; n为0或1。