Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613631 | Crosslinked polymers for enhanced oil recovery | James M. Paul | 1986-09-23 |
| 4522626 | Process for treating high-sulfur caking coals to inactivate the sulfur and eliminate caking tendencies thereof | — | 1985-06-11 |
| 4418961 | Method for restoring contaminants to base levels in previously leached formations | E. Thomas Strom | 1983-12-06 |
| 4397819 | Rejuvenation of the anion exchanger used for uranium recovery | Tsoung Y. Yan | 1983-08-09 |
| 4395902 | Method and apparatus for determining phase behavior of oil/gas mixtures at high pressures and temperatures | Richard E. Aikin | 1983-08-02 |
| 4372616 | Method for restoring formation previously leached with an ammonium leach solution | James M. Paul | 1983-02-08 |
| 4364918 | Separation of thiosulfate from Stretford solution | — | 1982-12-21 |
| 4351566 | Method and apparatus for mixing gaseous oxidant and lixiviant in an in situ leach operation | Tsoung Y. Yan | 1982-09-28 |
| 4340252 | Process for the in-situ leaching of uranium | Tsoung Y. Yan | 1982-07-20 |
| 4278292 | Clay stabilization in uranium leaching and restoration | Tsoung Y. Yan | 1981-07-14 |
| 4224079 | Asphaltic paving compositions and method of preparation from solvent refined coal | — | 1980-09-23 |
| 4207117 | Asphaltic compositions | Tsoung Y. Yan | 1980-06-10 |
| 4188235 | Electrode binder composition | Tsoung Y. Yan | 1980-02-12 |