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公开(公告)号：US5998117A
公开(公告)日：1999-12-07
申请号：US812017
申请日：1997-03-06
CPC分类号： G03C1/832
摘要： A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support and one or more photographic constituent layers and at least one of said layers contains a dye capable of being decolored by reacting with a color developing agent.
摘要翻译： 公开了一种卤化银照相感光材料。 感光材料包括支撑体和一个或多个照相构成层，并且所述层中的至少一个包含能够通过与彩色显影剂反应而脱色的染料。
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公开(公告)号：US5399474A
公开(公告)日：1995-03-21
申请号：US273973
申请日：1994-07-11
申请人： Atsushi Tomotake , Yutaka Kaneko
发明人： Atsushi Tomotake , Yutaka Kaneko
IPC分类号： C07D233/72 , C07D249/12 , G03C7/305 , G03C7/36
CPC分类号： C07D249/12 , C07D233/72 , G03C7/30535
摘要： Disclosed is a light-sensitive silver halide color photographic material having at least one silver halide emulsion layer on a support, which comprises a two-equivalent yellow coupler represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group or a cycloalkyl group; L represents an alkylene group; X represents a divalent linking group; R.sup.3 represents an unsubstituted alkyl group or cycloalkyl group; n represents 0 or 1; and Z represents >C(R.sup.4)R.sup.5 or >NR.sup.4 where R.sup.4 and R.sup.5 each represent a hydrogen atom or a substituent,being contained in at least one of the above silver halide emulsion layers.
摘要翻译： 公开了一种感光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，其包含由下式表示的双当量黄色成色剂：其中R 1和R 2各自表示 烷基或环烷基; L表示亚烷基; X表示二价连接基团; R3表示未取代的烷基或环烷基; n表示0或1; 并且Z表示> C（R4）R5或> NR4，其中R4和R5各自表示氢原子或取代基，其包含在至少一种上述卤化银乳剂层中。
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33.发明授权
公开(公告)号：US5066574A
公开(公告)日：1991-11-19
申请号：US591293
申请日：1990-10-01
IPC分类号： C07D233/72 , G03C7/305
CPC分类号： G03C7/30535 , C07D233/72
摘要： A silver halide photographic light-sensitive material which contains a noble 2-equivalent yellow coupler having an excellent color forming property and an improved dispersion stability in emulsion is disclosed. The coupler is represented by the following formula (I), (II), or (III): ##STR1##
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