Radiation imagery chemistry: process – composition – or product th – Regenerating image processing composition
Patent
1980-05-12
1982-08-10
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Regenerating image processing composition
430421, 430463, G03C 526
Patent
active
043438920
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.
REFERENCES:
patent: 720708 (1903-02-01), Latta
patent: 1907252 (1933-05-01), Debrie
patent: 3868253 (1975-02-01), Marthaler et al.
patent: 3997347 (1976-12-01), Parsonage
Goldwasser, Journal of SMPTE, vol. 64, pp. 248-253, May 1955.
Abe Akira
Kashiwagi Shinichi
Masuda Tetsuya
Nakagawa Fumio
Shirasu Kazuo
Downey Mary F.
Fuji Photo Film Co. , Ltd.
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