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Legal status
Patent not validated
| (51) | INT.CL. | C22B 3/26 | |
| C22B 13/00 | |||
| C22B 15/00 |
| (11) | Number of the document | 2942409 |
| (13) | Kind of document | T |
| (96) | European patent application number | 14767441.0 |
| Date of filing the European patent application | 2014-03-12 | |
| (97) | Date of publication of the European application | 2015-11-11 |
| (45) | Date of publication and mention of the grant of the patent | 2017-10-25 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/JP2014/056557 |
| Date | 2014-03-12 |
| (87) | Number | WO 2014/148339 |
| Date | 2014-09-25 |
| (30) | Number | Date | Country code |
| 2013054878 | 2013-03-18 | JP |
| (72) |
GOTO, Masahiro, JP
KUBOTA, Fukiko, JP
BABA, Yuzo, JP
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| (73) |
Sumitomo Metal Mining Co., Ltd.,
11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-8716,
JP
Kyushu University, National University Corporation, 10-1, Hakozaki 6-chome Higashi-ku, Fukuoka-shi, Fukuoka 812-8581, JP |
| (54) | VALUABLE-METAL EXTRACTION METHOD |
| VALUABLE-METAL EXTRACTION METHOD |