Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920017 | Preparation method of polyurethane foam | Kai Guo, Zheng Fang, Chengkou LIU, Ning Zhu, Jingjing Meng +4 more | 2024-03-05 |
| 11912814 | Preparation method of flexible polyurethane foam | Kai Guo, Zheng Fang, Wei He, Chengkou LIU, Jindian DUAN +5 more | 2024-02-27 |
| 11535708 | Preparation method for polyol and application of polyol in making polyurethane | Kai Guo, Zheng Fang, Man Yang, Ning Zhu, Wei He +2 more | 2022-12-27 |
| 10259771 | Vegetable oil polyol and the preparation method and the application thereof | Kai Guo, Zheng Fang, Dong Ji, Xin Li, Li Wan +3 more | 2019-04-16 |
| 9646357 | Graphic rendering | Hujia Liu, Wenxiang Zhu, MingJian WANG | 2017-05-09 |