Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180133 | Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Rodney L. Klausmeyer, John Lee Dawkins | 2024-12-31 |
| 12054444 | Photochlorination of chloroform to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Rodney L. Klausmeyer | 2024-08-06 |
| 11945761 | Process for the production of chlorinated hydrocarbons | John Lee Dawkins, Darrell G. HOLLIS, Keith S. Kramer, Michael A. GARMON | 2024-04-02 |
| 11780792 | Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Rodney L. Klausmeyer, John Lee Dawkins | 2023-10-10 |
| 11584703 | Photochlorination of chloroform to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Rodney L. Klausmeyer | 2023-02-21 |
| 10787404 | Methods for producing halogenated propanes | John Lee Dawkins, Darrell G. HOLLIS, Keith S. Kramer | 2020-09-29 |
| 10787405 | Photochlorination of chloroform to carbon tetrachloride | Robert L. Zeller, III, Darrell G. HOLLIS, Keith S. Kramer, Rodney L. Klausmeyer | 2020-09-29 |