| 6479025 |
Process for the production of sodium carbonate |
Dale Lee Denham, Jr., Rudolph Pruszko |
2002-11-12 |
| 6464736 |
Recrystallization process |
Dale Lee Denham, Jr., David R. Baughman, Rudolph Pruszko |
2002-10-15 |
| 6284005 |
Sodium carbonate recrystallization |
Dale Lee Denham, Jr., Rudolph Pruszko, David R. Baughman, Ralph B. Tacoma |
2001-09-04 |
| 6013382 |
Apparatus and method for inhibiting the leaching of lead in water |
Enzo L. Coltrinari, Jerome P. Downey, Paul B. Queneau |
2000-01-11 |
| 5911959 |
Method for purification and production of saline minerals from trona |
John S. Wold, Rudolph Pruszko, Roland Schmidt, Dale Lee Denham, Jr. |
1999-06-15 |
| 5736113 |
Method for beneficiation of trona |
Roland Schmidt, Dale Lee Denham, Jr. |
1998-04-07 |
| 5660735 |
Method for removing metals from waste solutions |
Enzo L. Coltrinari |
1997-08-26 |
| 5632825 |
Apparatus and method for inhibiting the leaching of lead in water |
Enzo L. Coltrinari, Jerome P. Downey, Paul B. Queneau |
1997-05-27 |
| 5544859 |
Apparatus and method for inhibiting the leaching of lead in water |
Enzo L. Coltrinari, Jerome P. Downey, Paul B. Queneau |
1996-08-13 |
| 5536416 |
Method for removing metals from a solution |
Enzo L. Coltrinari |
1996-07-16 |
| 4606764 |
Method of recovering metals from ores using a formate reducing agent |
Enzo L. Coltrinari, John E. Litz, David L. Thompson |
1986-08-19 |
| 4192676 |
High temperature reduction of copper salts |
James E. Reynolds, Duane N. Goens |
1980-03-11 |