Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116331 | Gas replacement process, gas replacement apparatus, and nitro compound hydrogenation reaction process | Jun Xu, Le Zhao, Lianghua Wu | 2024-10-15 |
| 12098114 | Double-trapezoid structural member, fluidized apparatus and nitro compound hydrogenation reaction process | Jun Xu, Le Zhao, Lianghua Wu | 2024-09-24 |
| 9895671 | Fluidized bed reactor, reaction regeneration apparatus, process for preparing olefins, and process for preparing aromatic hydrocarbons | Weimin Yang, Xiaohong Li, Guozhen Qi, Jun Xu, Zhinan Yu | 2018-02-20 |
| 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, Yongming Jin, Zhinan Yu, Guozhen Qi +1 more | 2018-01-02 |
| 9295963 | Processes for producing light olefins | Guozhen Qi, Wei-Ming Chen, Zhinan Yu | 2016-03-29 |
| 9233350 | Start-up method for reaction-regeneration unit used to prepare light olefins from methanol | Guozhen Qi, Zhinan Yu, Yongming Jin | 2016-01-12 |
| 9221724 | Processes for producing light olefins | Guozhen Qi, Songyuan Gu, Yongming Jin | 2015-12-29 |
| 9212105 | Processes for producing at least one light olefin | Guozhen Qi, Hongtao Wang, Yongming Jin | 2015-12-15 |
| 8796499 | Process for producing light olefins from methanol or dimethyl ether | Zaiku Xie, Juntao Liu, Huiming Zhang | 2014-08-05 |
| 8692045 | Processes for producing light olefins | Guozhen Qi, Wei-Ming Chen, Zhinan Yu | 2014-04-08 |
| 8304594 | Process for increasing ethylene and/or propylene yield during conversion of oxygenates | Zaiku Xie, Guozhen Qi, Weimin Yang | 2012-11-06 |
| 8178734 | Processes for producing ethylene glycol from oxalate(s) | Juntao Liu, Weimin Yang, Fengxia Sun, Wanmin Wang | 2012-05-15 |
| 7875756 | Process for producing lower olefins under negative pressure | Zaiku Xie, Juntao Liu, Wenwei Wu | 2011-01-25 |
| 7692056 | Process for producing lower olefins from methanol or dimethylether | Zaiku Xie, Juntao Liu, Weimin Yang, Xiaofeng Chen | 2010-04-06 |
| 7692057 | Process for producing lower olefins by using multiple reaction zones | Zaiku Xie, Juntao Liu, Weimin Yang, Yanhui Yuan, Huiming Zhang | 2010-04-06 |