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 代理人
主权项
地址