Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657665 | Process for demetallation and desulfurization of heavy hydrocarbons | William I. Beaton, April J. Evans | 1987-04-14 |
| 4620922 | Catalyst and process for the hydrotreating of nitrogen-containing feeds | A. Martin Tait, Thomas D. Nevitt | 1986-11-04 |
| 4618594 | Catalyst and process for the hydrodenitrogenation and hydrocracking of high-nitrogen feeds | A. Martin Tait, Thomas D. Nevitt | 1986-10-21 |
| 4559363 | Process for reacting carbon monoxide and water | Jeffrey T. Miller | 1985-12-17 |
| 4551572 | Process for reacting aromatic compounds | Jeffrey T. Miller | 1985-11-05 |
| 4549957 | Hydrotreating catalyst and process | Leonard M. Quick | 1985-10-29 |
| 4495062 | Catalyst and support, their methods of preparation, and processes employing same | Leonard M. Quick | 1985-01-22 |
| 4493761 | Catalytic hydroliquefaction using a Cr-Mo-Group VIII catalyst | Leonard M. Quick | 1985-01-15 |
| 4483764 | Hydrocarbon conversion process | Jeffrey T. Miller, Thomas D. Nevitt, A. Martin Tait | 1984-11-20 |
| 4476011 | Catalyst and process for the hydrogenitrogenation and hydrocracking of high-nitrogen feeds | A. Martin Tait, Thomas D. Nevitt | 1984-10-09 |
| 4460698 | Hydrocarbon conversion catalyst | Jeffrey T. Miller, Thomas D. Nevitt, A. Martin Tait | 1984-07-17 |
| 4456699 | Catalyst and support, and their methods of preparation | Leonard M. Quick | 1984-06-26 |
| 4454026 | Hydrotreating catalyst and process | Leonard M. Quick | 1984-06-12 |
| 4434047 | Catalytic dewaxing-hydrotreating process | Thomas D. Nevitt, A. Martin Tait | 1984-02-28 |
| 4431527 | Process for hydrogen treating high nitrogen content hydrocarbon feeds | Jeffrey T. Miller | 1984-02-14 |
| 4431525 | Three-catalyst process for the hydrotreating of heavy hydrocarbon streams | Leonard M. Quick | 1984-02-14 |
| 4415434 | Multiple stage desalting and dedusting process | Jay T. Hargreaves | 1983-11-15 |
| 4406779 | Multiple catalyst system for hydrodenitrogenation of high nitrogen feeds | A. Martin Tait, Jeffrey T. Miller, Thomas D. Nevitt | 1983-09-27 |
| 4399057 | Catalyst and support, their methods of preparation, and processes employing same | Leonard M. Quick | 1983-08-16 |
| 4395328 | Catalyst and support, their methods of preparation, and processes employing same | Leonard M. Quick | 1983-07-26 |
| 4306965 | Hydrotreating process | Leonard M. Quick, Donald B. Hopkins | 1981-12-22 |
| 4297242 | Process for demetallation and desulfurization of heavy hydrocarbons | Leonard M. Quick | 1981-10-27 |
| 4278566 | Hydrotreating process | Leonard M. Quick, P. Donald Hopkins | 1981-07-14 |
| 4225421 | Process for hydrotreating heavy hydrocarbons | Leonard M. Quick | 1980-09-30 |
| 4224144 | Hydrotreating a hydrocarbon stream to remove nitrogen and sulfur | Leonard M. Quick, P. Donald Hopkins | 1980-09-23 |