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1. 发明授权

US4818676A Silver halide photographic emulsion 失效
标题翻译：卤化银照相乳剂
公开(公告)号：US4818676A
公开(公告)日：1989-04-04
申请号：US905449
申请日：1986-09-10
申请人： Susumu Baba , Eigi Matsubara , Katsuaki Iwaosa , Akira Tanaka
发明人： Susumu Baba , Eigi Matsubara , Katsuaki Iwaosa , Akira Tanaka
IPC分类号： G03C1/29 , G03C1/19
CPC分类号： G03C1/29
摘要： Disclosed is a silver halide photographic emulsion supersensitized with at least two sensitizing dyes selected from those represented by the following general formula [I], [II] and [III]:General formula [I]: ##STR1## wherein R.sub.1 represents an unsubstituted or substituted alkyl group, R.sub.2 represents a sulfoalkyl group or a sulfoaralkyl group, and R.sub.3 represents an alkyl group, and W.sub.1 and W.sub.2 represent each an alkylene group;General formula [II]: ##STR2## wherein W.sub.3 to W.sub.6 represent each an alkyl group, an alkoxy group, or hydroxyl group, R.sub.4 represents an unsubstituted or substituted alkyl group, R.sub.5 represents a sulfoalkyl group or a sulfoaralkyl group, and R.sub.6 represents an alkyl group;General formula [III]: ##STR3## wherein R.sub.7 represents an unsubstituted or substituted alkyl group, R.sub.8 represents a sulfoalkyl group or a sulfoaralkyl group, R.sub.9 represents an alkyl group, and W.sub.7 and W.sub.8 represent each an alkyl group, an alkoxy group, or hydroxyl group.
摘要翻译：公开了用至少两种选自以下通式[I]，[II]和[III]表示的敏化染料进行超敏化的卤化银照相乳剂：通式[I]：其中R 1表示未取代或未取代的取代的烷基，R 2表示磺基烷基或磺基烷基，R 3表示烷基，W 1和W 2表示亚烷基。通式[II]：＆lt; IMAGE＆gt;其中，W3至W6表示烷基，烷氧基或羟基，R4表示未取代或取代的烷基，R5表示磺基烷基或磺基烷基，R6表示烷基; 通式[III]：其中R7表示未取代或取代的烷基，R8表示磺基烷基或磺基烷基，R9表示烷基，W7和W8各自表示烷基，烷氧基或羟基。

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