Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342153 | Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method thereof | Xieqing Wang, Zhiqing Yu, Zhengyu Chen, Qinglin Liu, Yi-Liang Liao | 2002-01-29 |