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:
Nov. 19, 1996
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Takashi Nakamura, Kanagawa, JP;
Yasuhiro Nakayama, Kanagawa, JP;
Haruhiko Iwano, Kanagawa, JP;
Hideo Miyazaki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ; C02F / ;
U.S. Cl.
CPC ...
210631 ; 210727 ; 210732 ; 210912 ; 210688 ; 210651 ; 210652 ; 210729 ;
Abstract
A method of removing silver from a solution containing silver halide and silver ion is described, which comprises a step of adding an a sulfur atom-containing hydrophilic polymer chelating agent to the solution.