发明名称 |
Dye for photographic film filter layer. |
摘要 |
<p>A film containing a filter layer comprised of a combination of a green dye and a yellow dye, which prevents the blue wavelength of white safelight from exposing the film. The filter layer permits handling of the film under white safelight for longer periods of time.</p> |
申请公布号 |
EP0563522(A1) |
申请公布日期 |
1993.10.06 |
申请号 |
EP19930101118 |
申请日期 |
1993.01.26 |
申请人 |
KONICA IMAGING U.S.A., INC. |
发明人 |
STOCKEL, ELFRIEDE;SMITH, THOMAS R. |
分类号 |
G03C1/83;G03C7/30 |
主分类号 |
G03C1/83 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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