Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345811 | Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio | Jun Tian, Jiazhong Zhu, Ou Li, Zuming Zheng, Kejian Yao | 2002-02-12 |