Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593290 | Lubricating oil composition and production thereof | Shihao Xin, Xin-Ying Xie, Zuoxin Huang, Qinghua Duan, Lihua Wang | 2017-03-14 |
| 9512380 | Hindered phenol compound, preparation thereof and use thereof as an antioxidant | Shuo SU, Jun Long, Qinghua Duan, Han-Jie Zhou, Xinhua Li +2 more | 2016-12-06 |