Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059643 | Process and apparatus for the production of para-xylene | John R. Porter, Dana L. Pilliod | 2018-08-28 |
| 9896398 | Xylene separation process and apparatus | John R. Porter, Dana L. Pilliod | 2018-02-20 |