Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364485 | Multi-region catalysts for CNG engine exhaust gas treatments with improved ammonia leakage control | Dongsheng QIAO, Xiang ZHENG | 2022-06-21 |
| 11225531 | Glycosaminoglycan derivative and preparation method therefor and use thereof | Lige REN, Xuewen Jin, Lili Zhang, Senmao Lin, Li Li | 2022-01-18 |