Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398444 | Diglycolamide derivatives for separation and recovery of rare earth elements from aqueous solutions | Santa Jansone-Popova, Ilja Popovs | 2025-08-26 |
| 12030017 | Forward osmosis composite membranes for concentration of lithium containing solutions | Ramesh R. Bhave, Vishwanath Ganpat Deshmane, Nicholas N. Linneen, Stephen Harrison, Mariappan Parans Paranthaman +1 more | 2024-07-09 |
| 11365463 | Production of castable light rare earth rich light metal compositions from direct reduction processes | Orlando Rios, Hunter B. Henderson, Michael S. Kesler, Zachary C. Sims, David Weiss +4 more | 2022-06-21 |
| 11253820 | Lithium extraction composite for recovery of lithium from brines, and process of using said composition | Ramesh R. Bhave, Stephen Harrison, M. Parans Paranthaman | 2022-02-22 |
| 11186893 | Rare earth amide compositions | John W. Freiderich, Huimin Luo, Sheng Dai | 2021-11-30 |
| 11001554 | Lipophilic guanidinium compounds for removal of oxyanions from aqueous solutions | Neil J. Williams, Radu Custelcean, Charles A. Seipp, Ross Johannes Ellis, Carter W. Abney | 2021-05-11 |
| 10689727 | Methods for liquid extraction of rare earth metals using ionic liquids | John W. Freiderich, Huimin Luo, Sheng Dai | 2020-06-23 |
| 10266915 | Composition for recovery of lithium from brines, and process of using said composition | Mariappan Parans Paranthaman, Ramesh R. Bhave, Stephen Harrison | 2019-04-23 |
| 9260326 | Selective oxoanion separation using a tripodal ligand | Radu Custelcean, Arbin Rajbanshi | 2016-02-16 |
| 8158088 | Extractant compositions for co-extracting cesium and strontium, a method of separating cesium and strontium from an aqueous feed, and calixarene compounds | Dean R. Peterman, David H. Meikrantz, Jack D. Law, Catherine Lynn Riddle, Terry A. Todd +5 more | 2012-04-17 |
| 6566561 | Fluoro-alcohol phase modifiers and process for cesium solvent extraction | Peter V. Bonnesen, Richard A. Sachleben | 2003-05-20 |
| 6448299 | Regeneration of strong-base anion-exchange resins by sequential chemical displacement | Gilbert M. Brown, Baohua Gu, Peter V. Bonnesen | 2002-09-10 |
| 6322702 | Solvent and process for recovery of hydroxide from aqueous mixtures | C. Kevin Chambliss, Peter V. Bonnesen, Tamara J. Keever | 2001-11-27 |
| 6174503 | Calixarene crown ether solvent composition and use thereof for extraction of cesium from alkaline waste solutions | Richard A. Sachleben, Peter V. Bonnesen, Derek J. Presley | 2001-01-16 |
| 6096217 | Supported liquid membrane separation | Srinivas Kilambi, R. Bruce Robinson, Peter V. Bonnesen | 2000-08-01 |
| 6086769 | Supported liquid membrane separation | Srinivas Kilambi, R. Bruce Robinson, Peter V. Bonnesen | 2000-07-11 |
| 6059975 | Bifunctional anion-exchange resins with improved selectivity and exchange kinetics | Spiro D. Alexandratos, Gilbert M. Brown, Peter V. Bonnesen | 2000-05-09 |
| 5443731 | Process for extracting technetium from alkaline solutions | Richard A. Sachleben, Peter V. Bonnesen | 1995-08-22 |
| 4927610 | Method for extracting copper, silver and related metals | W. J. McDowell | 1990-05-22 |