发明授权
- 专利标题： Photographic image improvement in spectral sensitizing dye and filter dye having similar spectral absorption characteristics
- 专利标题（中）： 光谱增感染料和具有相似光谱吸收特性的滤光染料的照相图像改进
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申请号： US943346申请日： 1997-10-03
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公开(公告)号： US5962211A公开(公告)日： 1999-10-05
- 发明人: Roupen H. Maronian , Donald R. Diehl , Pamela M. Ferguson
- 申请人： Roupen H. Maronian , Donald R. Diehl , Pamela M. Ferguson
- 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： G03C1/20
- IPC分类号： G03C1/20 ; G03C1/83 ; G03C7/30 ; G03C1/815
摘要：
The invention relates to a photographic element comprising at least one absorber dye and at least one sensitizing dye wherein the peak sensitivity of said absorber dye and said sensitizing dye are similar. This provides improved perceptual red detail in regions of high red density in the negative image.
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