Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597794 | Deep separation method and processing system for the separation of heavy oil through granulation of coupled post-extraction asphalt residue | Suoqi Zhao, Chunming Xu, Zhiming Xu, Xuewen Sun, Keng H. Chung | 2009-10-06 |