Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203531 | Method for inhibiting extractant degradation of DSX process through manganese extraction control | Jeon Woong An, Seung Ho Lee | 2021-12-21 |
| 11186492 | Method for recovering valuable metal sulfides | Seung Ho Lee, Jeon Woong An | 2021-11-30 |
| 11168003 | Method for inhibiting extractant degradation by diluent and extractant input method | Jeon Woong An, Sang-seo Lee, Seung Ho Lee | 2021-11-09 |
| 11169127 | Method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid by gas chromatography | Seung Ho Lee, Bong-Keun Jung, Jeon Woong An | 2021-11-09 |