The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 1983
Filed:
Aug. 05, 1981
Kazushige Uenaka, Minami-ashigara, JP;
Shinichi Kashiwagi, Minami-ashigara, JP;
Toshiro Tahara, Minami-ashigara, JP;
Kazuo Shirasu, Minami-ashigara, JP;
Yoshio Usui, Tokyo, JP;
Akira Abe, Tokyo, JP;
Fumio Nakagawa, Tokyo, JP;
Tetsuya Masuda, Tokyo, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
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.