Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6046343 | Prevention of catalyst attrition and tar formation in manufacture of maleic anhydride | Michael J. Mummey, A. Lamar Reeves | 2000-04-04 |
| 6005121 | High productivity process for the production of maleic anhydride | Jerry R. Ebner, Michael J. Mummey | 1999-12-21 |
| 5945368 | Molybdenum-modified vanadium-phosphorus oxide catalysts for the production of maleic anhydride | Timothy R. Felthouse, Carl J. Schaefer | 1999-08-31 |
| 5929256 | Production of maleic anhydride using molybdenum-modified vanadium-phosphorus oxide catalysts | Timothy R. Felthouse, Carl J. Schaefer | 1999-07-27 |
| 5877331 | Prevention of catalyst attrition and tar formation in manufacture of maleic anhydride | Michael J. Mummey, A. Lamar Reeves | 1999-03-02 |
| 5773382 | High performance VPO catalyst and process of preparation thereof | Scott F. Mitchell, Michael J. Mummey | 1998-06-30 |
| 5734066 | Supression of autoignition in maleic anhydride production | Scott F. Mitchell, Michael J. Mummey | 1998-03-31 |
| 5641722 | High performance VPO catalyst and process of preparation thereof | Scott F. Mitchell, Michael J. Mummey | 1997-06-24 |
| 5168090 | Shaped oxidation catalyst structures for the production of maleic anhydride | Jerry R. Ebner | 1992-12-01 |
| 4670415 | Process for the preparation of iron/lithium -promoted catalysts for the production of maleic anhydride | Victoria M. Franchetti | 1987-06-02 |
| 4632915 | Iron/lithium--promoted catalysts for the production of maleic anhydride | Victoria M. Franchetti | 1986-12-30 |
| 4567158 | Process for preparing phosphorus-vanadium mixed oxide oxidation catalysts | James T. Wrobleski, James W. Edwards, Charles R. Graham, Harold Raffelson | 1986-01-28 |
| 4562268 | Process for producing maleic anhydride | James T. Wrobleski, James W. Edwards, Charles R. Graham, Harold Raffelson | 1985-12-31 |
| 4560674 | Catalysts for the production of maleic anhydride | James T. Wrobleski, James W. Edwards, Charles R. Graham, Harold Raffelson | 1985-12-24 |
| 4443641 | Attrition resistant bismuth-containing metal/oxygen compositions | Samuel J. Tremont, Emerson H. Lee, George D. Davis | 1984-04-17 |
| 4443642 | Attrition resistant metal/oxygen compositions | Samuel J. Tremont, Emerson H. Lee, George D. Davis | 1984-04-17 |
| 4409127 | Attrition resistant metal/oxygen compositions and a process for their preparation | Samuel J. Tremont, Emerson H. Lee, George D. Davis | 1983-10-11 |
| 4409133 | Attrition resistant bismuth-containing metal/oxygen compositions and a process for their preparation | Samuel J. Tremont, Emerson H. Lee, George D. Davis | 1983-10-11 |