Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790343 | Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the same | Longyan Wang, Haiqing Guo, Wenyi Qi, Xianliang Deng, Jinlong Liu +1 more | 2004-09-14 |
| 6723228 | Additive used in catalytic cracking of hydrocarbons and a process of catalytic cracking of hydrocarbons using the same | Guoliang Wang, Haiqing Guo, Xianliang Deng, Longyan Wang, Wenyi Qi +4 more | 2004-04-20 |