Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662291 | Nano-silica hybrid vinyl phenyl silicon intermediate, preparation method thereof and use thereof in environmentally-friendly insulating varnish | Bin Wu, Chunqi Zhang, FENGXI JING, Jianfeng Gu, Xiaofeng Xu +1 more | 2020-05-26 |
| 10046979 | System and method for recycling rare earth and ammonia nitrogen from rare earth wastewater | Chunjie Yan, Sen Jiang Zhou, Chen LIU, Youfa Zhu, Zhenhua Wang +2 more | 2018-08-14 |
| 9410077 | Method for preparing ultra-light-weight (ULW) proppant applied on oil and gas wells | Chunjie Yan, Yixia Wang, Tao Chen, Yonghan Zhang, Yuting Chen | 2016-08-09 |