Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584424 | Process for preparing lead by electroreduction with ammonium sulfate and ammonia | Long Yang, Rongxiang Liu | 2020-03-10 |
| 10563315 | Process for preparing lead by electroreduction with ammonium chloride and ammonia | Long Yang, Rongxiang Liu | 2020-02-18 |