Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875787 | Radium removal from aqueous media using zeolite materials | Charles S. Williams | 2020-12-29 |
| 9908788 | Radium removal from aqueous media using zeolite materials | Charles S. Williams | 2018-03-06 |
| 8663479 | Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefrom | Charles S. Williams | 2014-03-04 |
| 7476311 | Arsenic removal from aqueous media using chemically treated zeolite materials | Charles S. Williams | 2009-01-13 |
| 7326348 | Method for removal and destruction of ammonia from an aqueous medium | Charles S. Williams | 2008-02-05 |
| 7108784 | Apparatus for removal and destruction of ammonia from an aqueous medium | Charles S. Williams | 2006-09-19 |
| 7105087 | Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials | — | 2006-09-12 |
| 6818191 | Autoclave control mechanisms for pressure oxidation of molybdenite | Paul B. Queneau, Rong-Chien Wu | 2004-11-16 |
| 6730279 | Production of pure molybdenum oxide from low grade molybdeniteconcentrates | Robert W. Balliett, Wolfgang Kummer, Lawrence F. McHugh, Harry H. K. Nauta, Paul B. Queneau +1 more | 2004-05-04 |
| 6403044 | Method and apparatus for stabilizing liquid elemental mercury | Thomas E. Broderick, Robin M. Stewart | 2002-06-11 |
| 5354358 | Process for removing uranium and other metals from wastes | Nicholas J. Lombardo, Robert Leland Schwartz | 1994-10-11 |
| 4814149 | Process for recovering molybdenum from solution in a form that is substantially free from vanadium | — | 1989-03-21 |
| 4606764 | Method of recovering metals from ores using a formate reducing agent | Wayne C. Hazen, Enzo L. Coltrinari, David L. Thompson | 1986-08-19 |
| 4548794 | Method of recovering nickel from laterite ores | E. Harris Lowenhaupt, Dennis L. Howe | 1985-10-22 |
| 4541868 | Recovery of nickel and cobalt by controlled sulfuric acid leaching | E. Harris Lowenhaupt, Dennis L. Hoe | 1985-09-17 |
| 4541994 | Method of liberating nickel- and cobalt-enriched fines from laterite | E. Harris Lowenhaupt, Dennis L. Howe | 1985-09-17 |