Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440989 | Application of Mannich base in flame-retardant polyurethane material | Ping Li, Zhijun Li, Feng WANG, Yubo Li | 2022-09-13 |
| 11401375 | Flame-retardant polyether polyol as well as preparation method and application thereof | Ping Li, Zhijun Li, Feng WANG, Yubo Li | 2022-08-02 |
| 11261287 | Composition capable of substituting use of styrene-acrylonitrile copolymer POP | Baoning SONG, Yubo Li | 2022-03-01 |