Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365641 | Method for preparing 1,3-propanediol with high space-time yield and high concentration | Zhiwei Huang, Xiaolan Yao, Xuemei Li, Jian Yang | 2025-07-22 |
| 9168503 | Reaction system and process for preparing polymethoxy dimethyl ether | Jing Chen, Heyuan Song, Meirong Kang | 2015-10-27 |
| 9169186 | System and method for continuously producing polyoxymethylene dimethyl ethers | Heyuan Song, Jing Chen, Fuxiang Jin, Meirong Kang | 2015-10-27 |
| 9067188 | System and method for continuously producing polyoxymethylene dialkyl ethers | Jing Chen, Heyuan Song, Meirong Kang, Ronghua Jin | 2015-06-30 |
| 8987521 | Method for preparing polyoxymethylene dimethyl ethers by acetalation reaction of formaldehyde with methanol | Heyuan Song, Jing Chen, Zhen Li | 2015-03-24 |
| 8921591 | Process for synthesizing phenylacetic acid by carbonylation of toluene | Hanmin Huang, Pan Xie | 2014-12-30 |
| 8816131 | Method for synthesizing polyoxymethylene dimethyl ethers catalyzed by an ionic liquid | Jing Chen, Heyuan Song, Zhen Li | 2014-08-26 |
| 8344183 | Method for synthesizing polyoxymethylene dimethyl ethers by ionic liquid catalysis | Jing Chen, Heyuan Song, Xinzhi Zhang, Zhonghua Tang | 2013-01-01 |
| 7598402 | Process for synthesizing trioxymethylene using ionic liquid | Jing Chen, Heyuan Song, Zhonghua Tang, Xinzhi Zhang, Zhen Li +1 more | 2009-10-06 |
| 7586016 | Method for producing 1,2-propylene glycol using bio-based glycerol | Fang Cui, Jing Chen, Haixiao Kang, Xinzhi Zhang, Jin Tong +1 more | 2009-09-08 |
| 7560599 | Method for preparing polymethoxymethylal | Jing Chen, Zhonghua Tang, Xinzhi Zhang, Zhen Li | 2009-07-14 |
| 7244854 | Method of synthesizing trioxymethylene from formaldehyde by the catalytic action of an ionic liquid | Zhonghua Tang, Jing Chen, Xinzhi Zhang, Zhen Li, Enxiu Guo | 2007-07-17 |