Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9573821 | Methods to recover cesium formate from a mixed alkali metal formate blend | — | 2017-02-21 |
| 9458524 | Methods to recover cesium or rubidium from secondary ore | Claude Deveau | 2016-10-04 |
| 9452966 | Methods to recover cesium formate from a mixed alkali metal formate blend | — | 2016-09-27 |
| 9045812 | Methods to recover cesium or rubidium from secondary ore | Claude Deveau | 2015-06-02 |
| 7759273 | Methods of forming an alkali metal salt | — | 2010-07-20 |
| 7323150 | Methods for recovering at least one metallic element from ore | David Madden | 2008-01-29 |
| 6652820 | Methods of making cesium salts and other alkali metal salts | — | 2003-11-25 |
| 6436879 | Process for producing a predetermined cesium compound | Patrick M. Brown, Michael C. Northrup | 2002-08-20 |
| 6015535 | Process for producing purified cesium compound from cesium alum | Patrick M. Brown, Michael C. Northrup | 2000-01-18 |
| 5023059 | Recovery of metal values and hydrofluoric acid from tantalum and columbium waste sludge | Edwin J. Bielecki, Karl A. Romberger, Martin A. Hobin, Charles R. Clark | 1991-06-11 |