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:
Sep. 12, 1989
Filed:
Aug. 03, 1988
Applicant:
Inventors:
Yukinori Minagawa, Ebina, JP;
Minoru Tanaka, Kawasaki, JP;
Kunihiko Yamaguchi, Sagamihara, JP;
Kazumasa Arai, Ihara, JP;
Gouichi Muramatsu, Ibara, JP;
Assignees:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Nippon Light Metal Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
423112 ; 423111 ; 423125 ; 423126 ; 423128 ; 423131 ; 423132 ; 423D / ; 7510 / ; 75121 ; 75-2 ;
Abstract
A method for recovering gallium, which comprises a capturing step of contacting an aqueous solution containing gallium to a chelating agent containing a water-insoluble substituted quinolinol as the active ingredient, to let the chelating agent capture gallium, and an eluting step of contacting an eluting solution composed of an aqueous solution of an acid or strong base containing said substituted quinolinol, to the chelating agent from the capturing step, to elute gallium therefrom.