Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399735 | Mannich-base inhibitor for decalcification, preparation method and application thereof | Ling Ma, Lei Li, Xinping Zhen, Chunge Niu, Xiangjun Kong +1 more | 2016-07-26 |
| 7455763 | Recycling process for demetalization of hydrocarbon oil | Lailong Luo, Chunge Niu, Shuyan Yu, Xiangsheng Meng, Bo Ouyang +1 more | 2008-11-25 |