Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773025 | Red mud-based composite calcium ferrite and preparation method and use thereof | Zheng Zhao, Weifeng Zhang, Kan Yu, Yao Zhang | 2023-10-03 |
| 11674192 | Method of making steel by deeply dephosphorization in hot metal tank and decarburization using semi-steel with nearly zero phosphorus load in converter | Zheng Zhao, Weifeng Zhang, Zhonghua Zhan | 2023-06-13 |