Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677263 | Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereof | Longyan Wang, Xiaobo Sherry Wei, Danhe Liu, Jinlong Liu, Xuhui Gong | 2004-01-13 |