Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051624 | Method of washing anode slime from lead-bismuth alloy electrolysis | Huanrong Yu, Jihong Li | 2015-06-09 |
| 8568670 | Process for producing basic lead carbonate | Huanrong Yu, Jihong Li | 2013-10-29 |