Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691089 | Vacuum rectification tower with satellite-type tower kettle and vacuum rectification method for atmospheric pressure residual oil | Qikai Zhang, Qun Gao | 2023-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691089 | Vacuum rectification tower with satellite-type tower kettle and vacuum rectification method for atmospheric pressure residual oil | Qikai Zhang, Qun Gao | 2023-07-04 |