Issued Patents 2004
Showing 1–3 of 3 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, Shuqin Su, Xianliang Deng +1 more | 2004-09-14 |
| 6723228 | Additive used in catalytic cracking of hydrocarbons and a process of catalytic cracking of hydrocarbons using the same | Shuqin Su, Guoliang Wang, Haiqing Guo, Xianliang Deng, Longyan Wang +4 more | 2004-04-20 |
| 6677263 | Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereof | Longyan Wang, Xiaobo Sherry Wei, Danhe Liu, Daijun Hao, Xuhui Gong | 2004-01-13 |