Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780792 | Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, John Lee Dawkins | 2023-10-10 |
| 11584703 | Photochlorination of chloroform to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD | 2023-02-21 |
| 11565988 | Method for making 1,1,3,3-tetrachloropropene | Darrell G. HOLLIS, Keith S. Kramer, John Lee Dawkins, Derrek Rae Burrows | 2023-01-31 |