Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657371 | Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrate | Aleksey Vladimirovich Evtushenko, Aleksey Aleksandrovich Komkov, Alfiya Minerovna Safiulina, Vasiliy Sergeevich Spiridonov, Sergey Vladimirovich Shvetsov | 2017-05-23 |
| 9631258 | Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrate | Aleksey Vladimirovich Evtushenko, Aleksey Aleksandrovich Komkov, Alfiya Minerovna Safiulina, Vasiliy Sergeevich Spiridonov, Sergey Vladimirovich Shvetsov | 2017-04-25 |