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:
May. 21, 2013
Filed:
Sep. 09, 2010
Applicants:
Makoto Narisako, Hitachi, JP;
Toshiyuki Yamaoka, Hitachi, JP;
Daisuke Kobayashi, Hitachi, JP;
Naoki Higuchi, Hitachi, JP;
Inventors:
Makoto Narisako, Hitachi, JP;
Toshiyuki Yamaoka, Hitachi, JP;
Daisuke Kobayashi, Hitachi, JP;
Naoki Higuchi, Hitachi, JP;
Assignee:
JX Nippon Mining & Metals Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/04 (2006.01); B22F 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for extracting nickel and lithium includes solvent extraction step of using three or more extraction stages to subject a solution containing lithium and nickel to solvent extraction with 2-Ethylhexyl phosphonic acid mono-2-ethylhexyl ester at a pH of 8.0 to 8.5, whereby the nickel and the lithium are co-extracted into a resultant organic phase.