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1. 发明授权

US5066575A Silver halide color photographic material containing pyrazolo (1,5-b)(1,2,4)triazole magenta coupler 失效
标题翻译：含有吡咯并（1,5-B）（1,2,4）三唑杂环的银盐彩色摄影材料
公开(公告)号：US5066575A
公开(公告)日：1991-11-19
申请号：US473166
申请日：1990-01-31
申请人： Tadahisa Sato , Osamu Takahashi , Hideaki Naruse , Yuki Mizukawa
发明人： Tadahisa Sato , Osamu Takahashi , Hideaki Naruse , Yuki Mizukawa
IPC分类号： C07D487/04 , G03C7/333 , G03C7/38
CPC分类号： C07D487/04 , G03C7/3835
摘要： The present invention relates to a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, which contains at least one nondiffusible pyrazolo(1,5-b)(1,2,4)triazole magenta coupler represented by the following general formula (I) in at least one of the silver halide emulsion layers in order to acquire high color formability and to produce a dye image excellent in hue: ##STR1## wherein R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represents a hydrogen atom or an alkyl group, provided that both are not a hydrogen atom; R.sub.4 represents an alkyl group, an alkoxy group or a halogen atom; L represents an alkylene group; m represents an integer of 0 to 5; n represents an integer of 0 to 5, and when n is 2 or more, the R.sub.4 's may be different from one another; and X represents a halogen atom.

2. 发明授权

US5500334A Silver halide color photographic material containing pyrazole-substituted couplers 失效
标题翻译：含有吡唑取代的成色剂的卤化银彩色照相材料
公开(公告)号：US5500334A
公开(公告)日：1996-03-19
申请号：US941179
申请日：1992-09-04
申请人： Yuki Mizukawa , Hideaki Naruse , Toshiyuki Watanabe , Tadahisa Sato
发明人： Yuki Mizukawa , Hideaki Naruse , Toshiyuki Watanabe , Tadahisa Sato
IPC分类号： G03C7/38 , G03C7/305
CPC分类号： G03C7/30529
摘要： Disclosed is a silver halide color photographic material having at least one silver halide emulsion layer on a support, in which at least one layer constituting the material contains a coupler of formula (I): ##STR1## where R.sub.1 represents an electron-attracting substituent having a Taft's substituent constant .sigma.* value of +0.52 or more; R.sub.2 represents a branched alkyl group; and X represents a pyrazolyl group. The material has excellent heat stability, sensitivity, gradation and color image fastness, and it also has excellent color forming capacity and absorption characteristics.
摘要翻译：公开了一种卤化银彩色照相材料，其在载体上具有至少一个卤化银乳剂层，其中构成该材料的至少一层包含式（I）的成色剂：其中R1表示电子 - 吸引具有Taft's取代基常数σ*值+0.52以上的取代基; R2表示支链烷基; X表示吡唑基。该材料具有优异的热稳定性，灵敏度，等级和色牢度，并且还具有优异的成色能力和吸收特性。

3. 发明授权

US5409808A Silver halide color photographic material 失效
标题翻译：卤化银彩色照相材料
公开(公告)号：US5409808A
公开(公告)日：1995-04-25
申请号：US17261
申请日：1993-02-12
申请人： Yuki Mizukawa , Hideaki Naruse , Toshiyuki Watanabe , Tadahisa Sato
发明人： Yuki Mizukawa , Hideaki Naruse , Toshiyuki Watanabe , Tadahisa Sato
IPC分类号： G03C7/38
CPC分类号： G03C7/3835
摘要： Disclosed is a silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support and containing at least one coupler of formula (I): ##STR1## where R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represent a hydrogen atom, an alkyl group or an aryl group, provided that both R.sub.2 and R.sub.3 are not hydrogen atoms at the same time; R.sub.4 and R.sub.5 each represent an alkyl group; X represents a hydrogen atom or a substituent capable of splitting off by coupling with an oxidation product of a developing agent; Y represents a substituent; n represents 0 or 1; and m represents an integer of from 0 to 3. The material has excellent sensitivity and gradation and has improved storage stability, especially latent image stability.
摘要翻译：公开了一种卤化银彩色照相材料，其在载体上具有至少一个感光卤化银乳剂层，并含有至少一种式（I）的成色剂：其中R1表示烷基; R2和R3各自表示氢原子，烷基或芳基，条件是R2和R3不同时为氢原子; R4和R5各自表示烷基; X表示氢原子或能够通过与显影剂的氧化产物偶联而分解的取代基; Y表示取代基; n表示0或1; m表示0〜3的整数。该材料具有优异的灵敏度和灰度，并且具有改善的储存稳定性，特别是潜像稳定性。

4. 发明授权

US5532377A Photographic coupler and silver halide color photographic material 失效
公开(公告)号：US5532377A
公开(公告)日：1996-07-02
申请号：US467833
申请日：1995-06-06
申请人： Yuki Mizukawa , Masuji Motoki , Tadahisa Sato , Osamu Takahashi
发明人： Yuki Mizukawa , Masuji Motoki , Tadahisa Sato , Osamu Takahashi
IPC分类号： C07D487/04 , G03C7/305 , G03C7/38
CPC分类号： C07D487/04 , G03C7/30529 , G03C7/3835
摘要： A 1H-pyrazolo[1,5-b][1,2,4]triazole magenta coupler having a t-alkyl group at the position-6 and an amido group-substituted phenyl group at the position-2 is disclosed. There is also disclosed a silver halide color photographic material containing the same.

5. 发明授权

US5451501A Photographic coupler and silver halide color photographic material 失效
标题翻译：摄影耦合器和卤化银彩色照相材料
公开(公告)号：US5451501A
公开(公告)日：1995-09-19
申请号：US67111
申请日：1993-05-26
申请人： Yuki Mizukawa , Masuji Motoki , Tadahisa Sato , Osamu Takahashi
发明人： Yuki Mizukawa , Masuji Motoki , Tadahisa Sato , Osamu Takahashi
IPC分类号： C07D487/04 , G03C7/305 , G03C7/38
CPC分类号： C07D487/04 , G03C7/30529 , G03C7/3835
摘要： A 1H-pyrazolo[1,5-b][1,2,4]triazole magenta coupler having a t-alkyl group at the position-6 and an amido group-substituted phenyl group at the position-2 is disclosed. There is also disclosed a silver halide color photographic material containing the same.
摘要翻译：公开了在位置-6具有t-烷基和位置-2处的酰胺基取代的苯基的1H-吡唑并[1,5-b] [1,2,4]三唑品红成色剂。还公开了含有该卤化银彩色照相材料的卤化银彩色照相材料。

6. 发明授权

US4770987A Silver halide color photographic materials containing an antisain agent and a magenta coupler in lipophilic fine particles 失效
标题翻译：在亲脂性细颗粒中含有防锈剂和品红色成色剂的卤化银彩色照相材料
公开(公告)号：US4770987A
公开(公告)日：1988-09-13
申请号：US943035
申请日：1986-12-17
申请人： Osamu Takahashi , Hideaki Naruse , Masakazu Morigaki , Nobutaka Ohki , Tadahisa Sato
发明人： Osamu Takahashi , Hideaki Naruse , Masakazu Morigaki , Nobutaka Ohki , Tadahisa Sato
IPC分类号： G03C7/26 , G03C7/32 , G03C7/38 , G03C7/388 , G03C7/392 , G03C1/06
CPC分类号： G03C7/39236
摘要： A silver halide color photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer having dispersed therein lipophilic fine particles containing an image dye forming lipophilic coupler, wherein the lipophilic fine particles further contain at least one lipophilic compound having a water-solubility of not more than 1% by weight at 25.degree. C. and represented by formula (I):R.sub.0 SO.sub.2 X (I)wherein R.sub.0 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group having 8 or more total carbon atoms; and X represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a nitrogen-containing organic base, ammonium or a group represented by formula (A): ##STR1## wherein R.sub.1 represents a hydrogen atom or a substituted or unsubstituted alkyl, aryl or heterocyclic group; R.sub.2 represents a hydrogen atom, a halogen atom or a substituted or unsubstituted alkyl, aryl, acyloxy or sulfonyl group; and R.sub.3 represents a hydrogen atom or a hydrolyzable group.The material prevents stain formation on the non-color-developed areas due to aging and the like after processing.
摘要翻译：公开了一种卤化银彩色照相材料，其包括其上提供有至少一个卤化银乳剂层的载体，所述卤化银乳剂层分散有含有形成亲脂性成色剂的图像染料的亲脂性微粒，其中亲脂性微粒还含有至少一种亲脂性化合物，在25℃下水溶性不超过1重量％，由式（I）表示：R 0 SO 2 X（I）其中R 0表示具有8个或更多总碳原子的取代或未取代的烷基，芳基或杂环基; X表示氢原子，碱金属原子，碱土金属原子，含氮有机碱，铵或式（A）表示的基团：其中R 1表示氢原子或取代或未取代的烷基，芳基或杂环基; R 2表示氢原子，卤素原子或取代或未取代的烷基，芳基，酰氧基或磺酰基; 并且R 3表示氢原子或可水解基团。该材料防止由于加工后的老化等而在非显色区域上形成污斑。

7. 发明授权

US5122612A Process for producing 5-amino-4-halogeno-1H-pyrazole compounds 失效
标题翻译：生产5-氨基-4-甲基-1H-吡唑化合物的方法
公开(公告)号：US5122612A
公开(公告)日：1992-06-16
申请号：US723050
申请日：1991-06-28
申请人： Yuki Mizukawa , Keizo Kimura , Tadahisa Sato
发明人： Yuki Mizukawa , Keizo Kimura , Tadahisa Sato
IPC分类号： C07D231/06 , C07D231/38
CPC分类号： C07D231/38
摘要： There is disclosed a process for producing 5-amino-4-halogeno-1H-pyrazole compounds comprising reacting a compound represented by the following formula (I) with a halogenating agent to obtain a compound represented by the following formula (II): ##STR1## wherein R represents a hydrogen atom, an alkyl group, or an aryl group, m is 0 or an integer, and Y represents an organic or inorganic acid radical, ##STR2## wherein R has the same meaning as defined above in formula (I), X represents a halogen atom, n is 0 or an integer, and Z represents an organic or inorganic acid radical.

8. 发明授权

US5089651A Process for producing 3-iminonitriles 失效
标题翻译：生产3-IMINONITRILES的方法
公开(公告)号：US5089651A
公开(公告)日：1992-02-18
申请号：US636825
申请日：1991-01-02
申请人： Masato Taniguchi , Tadahisa Sato , Yuki Mizukawa
发明人： Masato Taniguchi , Tadahisa Sato , Yuki Mizukawa
IPC分类号： C07D307/54 , C07C253/30 , C07C255/61 , C07C319/20 , C07C323/60 , C07D257/04 , C07D309/12 , C07D521/00 , C07F1/00
CPC分类号： C07C255/61
摘要： A process for producing a 3-iminonitrile represented by the following general formula (I): ##STR1## wherein M represents an alkali metal, which comprises reacting acetonitrile with an alkali metal hydride in an amount of from 0.01 to 0.5 molar equivalent to acetonitrile; and a process for producing a 3-iminonitrile of the formula (II): ##STR2## which comprises mixing the compound represented by the foregoing general formula (II), which was obtained by the reaction between acetonitrile and the alkali metal hydride, with a protic solvent, are disclosed. These processes are useful for producing the desired 3-iminonitrile safely, inexpensively and in high yields.

9. 发明授权

US5155016A Silver halide color photographic material containing novel pyrazoloazole coupler and method to produce color image 失效
标题翻译：含有新型吡唑并唑成色剂的卤化银色彩照相材料和产生彩色图像的方法
公开(公告)号：US5155016A
公开(公告)日：1992-10-13
申请号：US580874
申请日：1990-09-11
申请人： Yuki Mizukawa , Tadahisa Sato
发明人： Yuki Mizukawa , Tadahisa Sato
IPC分类号： G03C7/38 , G03C7/305 , G03C7/407
CPC分类号： G03C7/30529
摘要： A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer and at least one coupler represented by the following general formula (I): ##STR1## wherein (Q) represents a pyrazoloazole type color image forming coupler residue; L.sub.1 and L.sub.2 each represents a methylene group or an ethylene group; l and m each represents 0 or 1; R.sub.1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sub.2 represents a group connecting with A through a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom; A represents a carbon atom or a sulfur atom; n represents 1, when A is a carbon atom, or 1 or 2, when A is a sulfur atom; B represents a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom; X represents an atomic group necessary to form a ring; R.sub.1 and R.sub.2 may connect with each other to form a ring; and B and R.sub.2 may connect with each other to form a ring, when B is a carbon atom or a nitrogen atom.A method of forming a color image comprising developing a silver halide photographic material with a developing solution containing an aromatic primary amine in the presence of a at least one coupler represented by the general formula (I) described above is also disclosed.The coupler represented by the general formula (I) has good color reproducibility due to being free from the undesirable subsidiary absorption of the dye formed therefrom and a high color forming rate, and provides a sufficiently high color density even when an amount of silver employed in the light-sensitive material is reduced or the light-sensitive material is subjected to a rapid processing method and a low level of fog. Further, the dye formed from the coupler exhibits excellent fastness.
摘要翻译：一种卤化银照相材料，其包含其上具有至少一个卤化银乳剂层和至少一种由以下通式（I）表示的偶联剂的载体：其中（Q）表示吡唑并唑型彩色图像形成成色剂残留物 L1和L2各自表示亚甲基或亚乙基; l和m各自表示0或1; R1表示氢原子，烷基，芳基或杂环基; R2表示通过碳原子，氧原子，氮原子或硫原子与A连接的基团; A表示碳原子或硫原子; 当A为碳原子，当A为硫原子时，n表示1，或1或2。 B表示碳原子，氧原子，氮原子或硫原子; X表示形成环所需的原子团; R1和R2可以彼此连接以形成环; 当B为碳原子或氮原子时，B和R2可以相互连接形成环。还公开了一种形成彩色图像的方法，其包括在由上述通式（I）表示的至少一种成色剂的存在下，用含有芳族伯胺的显影溶液显影卤化银照相材料。由通式（I）表示的成色剂具有良好的色彩再现性，这是由于没有由其形成的染料的不期望的辅助吸收和高的成色速率，并且即使当使用的银量感光材料减少或感光材料经受快速处理方法和低雾度。此外，由成色剂形成的染料表现出优异的牢度。

10. 发明授权

US5256526A Cyan image forming method and silver halide color photographic material containing cyan coupler 失效
标题翻译：青色成像方法和含有青色成色剂的卤化银彩色照相材料
公开(公告)号：US5256526A
公开(公告)日：1993-10-26
申请号：US800082
申请日：1991-11-29
申请人： Makoto Suzuki , Tadahisa Sato , Kozo Sato , Yoshio Ishii , Hideaki Naruse , Yasuhiro Shimada
发明人： Makoto Suzuki , Tadahisa Sato , Kozo Sato , Yoshio Ishii , Hideaki Naruse , Yasuhiro Shimada
IPC分类号： G03C7/305 , G03C7/38 , G03C7/407
CPC分类号： G03C7/30529 , G03C7/383
摘要： A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing at least one 1H-pyrrolo[1,2-b][1,2,4]triazole cyan coupler represented by the following general formula (I) or (II): ##STR1## wherein R.sub.1 and R.sub.2 each represents an electron withdrawing group having a Hammett's substituent constant .sigma.p value of 0.20 or more; R.sub.1 and R.sub.2 may be bonded to form a ring; the sum of a Hammett's substituent constant .sigma.p value of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.3 represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a substituent capable of being released upon coupling with an oxidation product of an aromatic primary amine color developing agent; said coupler may be in a form of a bis-compound or a polymer formed at R.sub.1, R.sub.2, R.sub.3 or X; and a cyan image forming method comprising imagewise exposing a silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and subjecting the exposed photographic material to color development with an aromatic primary amine color dveloping agent at the presence of the above-described 1H-pyrrolo[1,2-b][1,2,4]triazole cyan coupler.

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