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:
Oct. 04, 2016
Filed:
Mar. 17, 2014
Kyushu University, National University Corporation, Fukuoka, JP;
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Masahiro Goto, Fukuoka, JP;
Fukiko Kubota, Fukuoka, JP;
Yuzo Baba, Fukuoka, JP;
Yoshitomo Ozaki, Niihama, JP;
Jiro Hayata, Niihama, JP;
Tatsuya Higaki, Niihama, JP;
Toshihiko Nagakura, Niihama, JP;
Shinya Matsumoto, Niihama, JP;
Kyushu University, National University Corporation, Fukuoka-shi, JP;
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Abstract
Provided is a method for efficiently separating nickel, cobalt and/or scandium, and impurities from an acidic solution containing impurities such as manganese, iron, zinc, and aluminum. A valuable-metal extracting agent of the present invention is expressed by general formula (1). In the formula, Rand Reach represent the same or different alkyl groups, Rrepresents a hydrogen atom or an alkyl group, and Rrepresents a hydrogen atom or a given group, other than an amino group, that bonds with an α carbon as an amino acid. In general formula (1), the inclusion of a glycine unit, a histidine unit, a lysine unit, an asparagine acid unit, or a normal methylglycine unit is preferred.