Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410627 | Sodium carbonate and sodium bicarbonate production | Max E. Ramey, John S. McEwan, Charles L. Yates, Allan L. Turner, Michael A. Rockendal +3 more | 2008-08-12 |
| 7128886 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Max E. Ramey, John S. McEwan, Charles L. Yates, Allan L. Turner, Michael A. Rockendal +3 more | 2006-10-31 |
| 6854809 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Max E. Ramey, John S. McEwan, Charles L. Yates, Allan L. Turner, Michael A. Rockendal +3 more | 2005-02-15 |
| 6609761 | Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale | Max E. Ramey, John S. McEwan, Charles L. Yates, Allan L. Turner, Michael A. Rockendal +3 more | 2003-08-26 |
| 5759507 | Process for production of dense soda ash from soda ash fines | David R. Delling, James D. Phillip, Donald M. Robertson | 1998-06-02 |
| 5618504 | Method for recovery of alkali values from trona using sequential crystallization | David R. Delling, Vladimir M. Zolotoochin, Francis M. Coustry | 1997-04-08 |
| 5575922 | Method for treating mine water using caustic soda | Robert N. Skogley | 1996-11-19 |