Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440996 | Preparation method of polyphenylene sulfide resin, and polyphenylene sulfide resin prepared thereby | Woyuan LI, Hong Yin, Zhirong Chen, Baishan HU, Guiyang Zhou +4 more | 2022-09-13 |
| 11220478 | Preparation method for 4-phenylthio-benzenethiol | Zhirong Chen, Woyuan LI, Hong Yin, Guiyang Zhou, Haoran Li +3 more | 2022-01-11 |
| 9567440 | Fiber grade polyphenylene sulfide resin synthesis method | Zhirong Chen, Woyuan LI, Haoran Li, Hong Yin, Guiyang Zhou +1 more | 2017-02-14 |
| 5534347 | Fusing roll having a fluorocarbon-silicone barrier layer | Tsang J. Chen, Jiann-Hsing Chen, Lawrence P. DeMejo, Gary F. Roberts | 1996-07-09 |