发明名称 |
Process for increasing the effective speed of photographic films and improved film structures |
摘要 |
A process is disclosed for enhancing the speed of both certain black and white and color films, through initial black-and-white development, and redevelopment with color coupling developers and color coupling dye units, and replacement of silver units with multiple color dye units for each silver unit that provide a color image enhanced over that provided by the silver image.
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申请公布号 |
US4345023(A) |
申请公布日期 |
1982.08.17 |
申请号 |
US19810225534 |
申请日期 |
1981.01.16 |
申请人 |
THE ACADEMY OF APPLIED SCIENCE, INC. |
发明人 |
WYCKOFF, CHARLES W. |
分类号 |
G03C5/42;G03C7/30;(IPC1-7):G03C7/00 |
主分类号 |
G03C5/42 |
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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