Invention Grant
- Patent Title: Method and apparatus for silver recovery during photographic processing
- Patent Title (中): 摄影过程中银回收的方法和装置
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Application No.: US148608Application Date: 1980-05-12
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Publication No.: US4343892APublication Date: 1982-08-10
- Inventor: Kazushige Uenaka , Shinichi Kashiwagi , Toshiro Tahara , Kazuo Shirasu , Yoshio Usui , Akira Abe , Fumio Nakagawa , Tetsuya Masuda
- Applicant: Kazushige Uenaka , Shinichi Kashiwagi , Toshiro Tahara , Kazuo Shirasu , Yoshio Usui , Akira Abe , Fumio Nakagawa , Tetsuya Masuda
- Applicant Address: JPX Kanagawa
- Assignee: Fuji Photo Film Co., Ltd.
- Current Assignee: Fuji Photo Film Co., Ltd.
- Current Assignee Address: JPX Kanagawa
- Priority: JPX54-58300 19790511
- Main IPC: G03C5/38
- IPC: G03C5/38 ; C22B11/00 ; G03C5/00 ; G03D3/06 ; G03D13/00 ; G03C5/26
Abstract:
The efficiency of silver recovery from photographic processing solutions is improved by the installation of a silver recovery water tank between the fix or blix tank and the wash water tank, which is provided with a mechanism for maintaining the silver concentration of said recovery tank at a substantially constant value, said mechanism comprising a detecting means for measuring the amount of the photographic material treated by the processing line involved and a means to supply water thereto operatable by signal from said detecting means.
Public/Granted literature
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Information query
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