Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673987 | One method of producing polyether polymer dispersant and polyether polymer | Weixin Qi, Baocheng Zhao, Bing Hu, Suling Wei | 2023-06-13 |
| 10479863 | Method for cyclically preparing polyether polyol by using DMC catalyst | Weixin Qi, Bing Hu | 2019-11-19 |
| 8801989 | Manufacturing method for rubber band | — | 2014-08-12 |
| 6253536 | Steel cord for radial tire | — | 2001-07-03 |
| 6189309 | Rubber and tire-reinforcing steel cord exhibiting improved rubber penetration | — | 2001-02-20 |