Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908544 | Cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using the same | Zhiqing Yu, Zhijian Da, Zhenyu Chen, Enze Min, Caiying Li +1 more | 2005-06-21 |