Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359110 | Methods involving cements that employ carbon dioxide as a reactant | Kenneth M. Cowan, Elias R. CALLAHAN, III, James S. WILLIS | 2025-07-15 |
| 12264069 | Process for the conversion of carbon dioxide | John Michael Repasky | 2025-04-01 |
| 12180133 | Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride | Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, Rodney L. Klausmeyer, John Lee Dawkins | 2024-12-31 |
| 12054444 | Photochlorination of chloroform to carbon tetrachloride | Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, Rodney L. Klausmeyer | 2024-08-06 |
| 11780792 | Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride | Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, Rodney L. Klausmeyer, John Lee Dawkins | 2023-10-10 |
| 11584703 | Photochlorination of chloroform to carbon tetrachloride | Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, Rodney L. Klausmeyer | 2023-02-21 |
| 10847825 | Chloralkali process | Clifton T. Gonce | 2020-11-24 |
| 10787405 | Photochlorination of chloroform to carbon tetrachloride | Darrell G. HOLLIS, Keith S. Kramer, Brian CALDERWOOD, Rodney L. Klausmeyer | 2020-09-29 |
| 6063162 | Method of separating chlorine from a mixture of gases | Paul J. Orosz, Ronald B. Kaplin | 2000-05-16 |
| 5985226 | Method of recovering chlorine from a gas mixture | Sharon D. Fritts, David L. Johnson, Kenneth J. Carlson, Paul J. Orosz, Ronald B. Kaplin | 1999-11-16 |
| 5567406 | Manufacturing clear potassium sulfite | David L. Johnson | 1996-10-22 |
| 5520902 | Process for making chromium-free orthorhombic sodium sulfate | Walter Opalinski | 1996-05-28 |
| 5441669 | Preventing potassium bicarbonate from caking | Karl W. Seper, Russell J. Morgan | 1995-08-15 |
| 5431792 | Method of making hypophosphorous acid | Russell J. Morgan, Joseph DeALMEIDA | 1995-07-11 |
| 5279804 | Vanadium removal in aqueous streams | Russell J. Morgan, Ursula I. Keller | 1994-01-18 |
| 5215727 | Method of making chromic oxide | Karl W. Seper, Russell J. Morgan | 1993-06-01 |
| 5122238 | Efficient electrolytic method of making chromic acid from sodium bichromate | Russell J. Morgan, Ursula I. Keller | 1992-06-16 |
| 5034211 | Reducing turbidity in chromic acid solutions | Russell J. Morgan, Gilbert D. Rabbe, Donna R. Fiscus, Richard L. Wilkes, Jr. | 1991-07-23 |