Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195620 | Controlled entrapment and release of molecular cargo | Faik Akif Tezcan, Ling Zhang, Youjeong Na | 2025-01-14 |
| 7166145 | Recovery of precious metals | — | 2007-01-23 |
| 7067090 | Recovery of platinum group metals | Peter Nam-soo Kim | 2006-06-27 |
| 5989311 | Recovery of copper from its sulfides and other sources using halogen reagents and oxidants | Xinghui Meng | 1999-11-23 |
| 5542957 | Recovery of platinum group metals and rhenium from materials using halogen reagents | Xinghui Meng | 1996-08-06 |
| 5328669 | Extraction of precious metals from ores and other precious metal containing materials using halogen salts | Xinghui Meng | 1994-07-12 |
| 5308381 | Ammonia extraction of gold and silver from ores and other materials | Xinghui Meng | 1994-05-03 |
| 5114687 | Ammonia extraction of gold and silver from ores and other materials | Xinghui Meng | 1992-05-19 |