Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11519054 | Method for preparing lead directly from lead-containing material by solid phase reaction | — | 2022-12-06 |
| 11502344 | Hydrometallurgical method for recycling lead from spent lead-acid battery paste | Peng XING, Yongqiang CHEN | 2022-11-15 |