Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9796022 | Pollution-free method for recycling iron-based grinding waste | Shengen Zhang, Bo Liu, Dean Pan, Bin Li | 2017-10-24 |
| 9689055 | Complete non-cyanogens wet process for green recycling of waste printed circuit board | Shengen Zhang, Bin Li, Dean Pan, Bo Liu | 2017-06-27 |
| 9322083 | Technologies of twice dissolved by hydrochloric acid for waste rare earth luminescent materials | Shengen Zhang, Hu Liu, Dean Pan, Min Yang | 2016-04-26 |