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31. 发明授权

US4311781A Highly-sensitive high-contrast photographic materials 失效
标题翻译：高度敏感的高对比度感光材料
公开(公告)号：US4311781A
公开(公告)日：1982-01-19
申请号：US165823
申请日：1980-07-03
申请人： Hiroyuki Mifune , Shunji Takada , Yoshitaka Akimura , Nobuo Sakai
发明人： Hiroyuki Mifune , Shunji Takada , Yoshitaka Akimura , Nobuo Sakai
IPC分类号： C07C67/00 , C07C241/00 , C07C243/28 , C07C243/38 , C07C253/00 , C07C255/57 , G03C1/06 , G03C1/08 , G03C1/10 , G03C1/28 , G03C5/30
CPC分类号： C07C243/00 , C07C243/38 , G03C1/061 , G03C1/28 , Y10S430/15
摘要： A silver halide photographic material providing very high contrast and negative image photographic characteristics comprising a support having thereon at least one silver halide photographic emulsion layer containing substantially surface latent image type mono-dispersed silver halide grains and providing a negative image, at least one hydrophilic colloid layer of the photographic material containing a compound represented by the general formula (I)R.sup.1 NHNHCOR.sup.2 (I)whereinR.sup.1 represents an aryl group and R.sup.2 represents a hydrogen atom, a phenyl group, or an unsubstituted alkyl group having 1 to 3 carbon atoms;and a compound represented by the general formula (II) or (III) ##STR1## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted, an amino group which may be substituted, a hydroxyl group, an alkoxy group, an alkylthio group, a carbamoyl group which may be substituted, a halogen atom, a cyano group, a carboxyl group, an alkoxycarbonyl group, or a heterocyclic group; wherein R.sup.3 and R.sup.4 or R.sup.4 and R.sup.5 may combine and form a 5-membered or 6-membered ring and at least one of R.sup.3 and R.sup.5 represents a hydroxyl group and developing said photographic light-sensitive material with a developing solution containing a developing agent selected from the group consisting of a phenylenediamine compound and a combination of a 3-pyrazolidone compound with a hydroquinone compound.
摘要翻译：提供非常高的对比度和负影像照相特征的卤化银照相材料，包括其上具有至少一个含有基本上表面潜影型单分散卤化银颗粒并提供负像的卤化银照相乳剂层的载体，至少一种亲水胶体含有通式（I）R1NHNHCOR2（I）表示的化合物的照相材料层，其中R1表示芳基，R2表示氢原子，苯基或未取代的碳原子数1〜3的烷基; 和由通式（II）或（III）表示的化合物，其中可以相同或不同的R 3，R 4，R 5和R 6各自表示氢原子，可以被取代的烷基，可以被取代的芳基，可以被取代的氨基，羟基，烷氧基，烷硫基，可被取代的氨基甲酰基，卤素原子，氰基基团，羧基，烷氧基羰基或杂环基; 其中R3和R4或R4和R5可以组合并形成5元或6元环，并且R 3和R 5中的至少一个表示羟基，并用含有显影剂的显影溶液显影所述照相感光材料由苯二胺化合物和3-吡唑烷酮化合物与氢醌化合物的组合组成。

32. 发明授权

US4286042A Light reflecting layer for color diffusion transfer photographic system 失效
标题翻译：用于彩色扩散转印摄影系统的光反射层
公开(公告)号：US4286042A
公开(公告)日：1981-08-25
申请号：US046127
申请日：1979-06-06
申请人： Nobuo Sakai , Hiroshi Hayashi , Masaharu Toriuchi , Kazunobu Katoh
发明人： Nobuo Sakai , Hiroshi Hayashi , Masaharu Toriuchi , Kazunobu Katoh
IPC分类号： G03C8/50 , G03C8/24 , G03C1/40 , G03C1/10 , G03C5/54 , G03C7/00
CPC分类号： G03C8/246
摘要： A light reflecting layer for a color diffusion transfer photographic system which comprises at least one compound represented by the general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 9 carbon atoms, R.sub.2 represents an alkyl group having 1 to 5 carbon atoms, and R.sub.3 represents an alkyl group having 1 to 9 carbon atoms or a benzyl group which may be substituted at the .alpha.-position.
摘要翻译：一种用于彩色扩散转印照相系统的光反射层，其包含至少一种由通式（I）表示的化合物：其中R 1表示具有1至9个碳原子的烷基，R 2表示烷基具有1至5个碳原子，并且R 3表示具有1至9个碳原子的烷基或可以在α位上被取代的苄基。

33. 发明授权

US4076533A Silver halide emulsion containing two-equivalent coupler 失效
标题翻译：含有二当量成色剂的卤化银乳剂
公开(公告)号：US4076533A
公开(公告)日：1978-02-28
申请号：US740449
申请日：1976-11-10
申请人： Satoshi Ota , Kotaro Nakamura , Nobuo Sakai , Nobuo Furutachi , Yukio Yokota
发明人： Satoshi Ota , Kotaro Nakamura , Nobuo Sakai , Nobuo Furutachi , Yukio Yokota
IPC分类号： G03C7/32 , C09B55/00 , G03C7/305 , G03C7/36 , G03C7/38 , G03C7/384 , G03C7/00 , G03C1/40
CPC分类号： G03C7/30529 , G03C7/36 , G03C7/384
摘要： A two-equivalent color photographic coupler having advantageous properties and capable of forming a magenta color image upon coupling with an oxidation product of an aromatic primary amine developing agent, in which the carbon atom at the coupling position of the coupler is bonded to the nitrogen atom at the 1- or 4-position of a 1,2,4-triazole ring; a color photographic light-sensitive material containing the above-mentioned color photographic coupler and a method of forming a color image comprising developing an image-wise exposed photographic light-sensitive material in the presence of the above-described color photographic coupler are also described.
摘要翻译：一种双等效的彩色照相成色剂，其具有优异的性质，并且能够与芳族伯胺显影剂的氧化产物偶合形成品红色图像，其中成色剂的偶合位置处的碳原子与氮原子键合在1,2,4-三唑环的1或4位上; 还描述了含有上述彩色摄影耦合器的彩色照相感光材料和形成彩色图像的方法，该方法包括在上述彩色摄影耦合器的存在下显影成像曝光的照相感光材料。

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