发明授权
- 专利标题： Photographic element containing water soluble bis Au(I) complexes
- 专利标题（中）： 含有水溶性双Au（I）配合物的摄影元素
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申请号： US965507申请日： 1997-11-06
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公开(公告)号： US5945270A公开(公告)日： 1999-08-31
- 发明人: Roger Lok , Weimar W. White , Brian P. Cleary
- 申请人： Roger Lok , Weimar W. White , Brian P. Cleary
- 申请人地址： NY Rochester
- 专利权人： Eastman Kodak Company
- 当前专利权人： Eastman Kodak Company
- 当前专利权人地址： NY Rochester
- 主分类号： G03C1/09
- IPC分类号： G03C1/09 ; G03C1/06
摘要：
This invention relates to a silver halide photographic element comprising a support and a silver halide emulsion layer, the emulsion layer comprising an organomercapto Au(I) complex having the formula�(M--SOL).sub.n --A--S--Au--S--A--(SOL--M).sub.n !Mwherein M is a cationic counterion;SOL is a solubilizing group:A is a substituted or unsubstituted divalent organic linking group;and n is 1 to 4 and wherein the compound is symmetrical.It further relates to a method of preparing a silver halide emulsion utilizing said organomercapto Au(I) complexes.
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