Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063721 | Dry regeneration-demetalization technique for catalyst for residuum and/or heavy oil catalytic cracking | Yihou Hu, Baolin Luo, Kuiyuan Sun, Qiye Yang, Mingli Gong +2 more | 2000-05-16 |