Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264118 | Process for producing lower olefins from oxygenates | Guozhen Qi, Jing Cao, Xiaohong Li, Hongtao Wang, Pan Gao | 2025-04-01 |
| 9855539 | Separation device for use in fluidized bed reactor, reaction regeneration apparatus and process for preparing olefins, and process for preparing aromatic hydrocarbons | Jun Xu, Songyuan Gu, Siqing Zhong, Zhinan Yu, Guozhen Qi +1 more | 2018-01-02 |
| 9233350 | Start-up method for reaction-regeneration unit used to prepare light olefins from methanol | Guozhen Qi, Siqing Zhong, Zhinan Yu | 2016-01-12 |
| 9221724 | Processes for producing light olefins | Guozhen Qi, Songyuan Gu, Siqing Zhong | 2015-12-29 |
| 9212105 | Processes for producing at least one light olefin | Guozhen Qi, Siqing Zhong, Hongtao Wang | 2015-12-15 |