Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505764 | Continuous distillation process | Shaowei Han, Shaodong Ji, Fengfei Li, Wenjiang Yang, Haijun Bao | 2022-11-22 |
| 8921615 | Process for preparing xanthophyll crystal | Qingguo Lu, Yunhe Lian, Xuehui Su, Xiaodong An, Yuanxin Cheng | 2014-12-30 |