Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395601 | Re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues | Ke Xu, Pei-Nian Huang, Xing-Qin Li, De-Han Zeng, Zhi-Fa Hu +1 more | 1995-03-07 |