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:
Feb. 14, 1978
Filed:
Oct. 12, 1976
Applicant:
Inventors:
Eiichi Torikai, Yao, JA;
Youji Kawami, Kawachinagano, JA;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 92 ; 204128 ; 204130 ;
Abstract
Removal of silver and reduction of COD value in used or exhausted photographic fixing solution are effectively conducted by electrolysis of reversing repeatedly polarity of positive and negative electrodes.