Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280693 | Composition for the recovery of lithium values from brine and process of making/using said composition | John L. Burba, III | 2001-08-28 |
| 5599516 | Recovery of lithium values from brines | John L. Burba, III | 1997-02-04 |
| 5389349 | Recovery of lithium values from brines | John L. Burba, III | 1995-02-14 |
| 4910246 | Intercalations of crystalline lithium aluminates | John L. Burba, III | 1990-03-20 |
| 4812245 | Intercalations of crystalline lithium aluminates | John L. Burba, III | 1989-03-14 |
| 4727167 | Intercalations of crystalline lithium aluminates | John L. Burba, III | 1988-02-23 |
| 4522951 | Removal of Mg.sup.++ and Ca.sup.++ ions from NaCl brine | John M. Lee | 1985-06-11 |
| 4488949 | Removal of sulfate ions from brine | John M. Lee | 1984-12-18 |
| 4477597 | Higher density ion exchange resins of metal compound precipitated within pores | John M. Lee, Richard A. Wolcott, John L. Burba, III | 1984-10-16 |
| 4446201 | Transition metal aluminates supported on a substrate | John M. Lee | 1984-05-01 |
| 4434138 | Ion exchange resins for uranium recovery | John M. Lee | 1984-02-28 |
| 4430311 | Alumina compounds in ion exchange resins | John M. Lee | 1984-02-07 |
| 4415678 | Removal of sulfate ions from brine using amorphous polymeric zirconium oxide formed within a macroporous polymer matrix | John M. Lee | 1983-11-15 |
| 4415677 | Removal of sulfate ions from brine using composite of polymeric zirconium hydrous oxide in macroporous matrix | John M. Lee | 1983-11-15 |
| 4405576 | Removal of sulfate ions from brine | John M. Lee | 1983-09-20 |
| 4405574 | Removal of Mg.sup.++ and Ca.sup.++ ions from NaCl brine | John M. Lee | 1983-09-20 |
| 4392980 | Transition metal aluminates | John M. Lee | 1983-07-12 |
| 4392961 | Magnesium aluminate anion exchangers | John M. Lee | 1983-07-12 |
| 4392979 | Magnesium aluminate anion exchangers | John M. Lee | 1983-07-12 |
| 4381349 | Alumina compounds in ion exchange resins | John M. Lee | 1983-04-26 |
| 4376100 | Lithium halide brine purification | John M. Lee | 1983-03-08 |
| 4364909 | Removal of Ca.sup.++ from MgCl.sub.2 | John M. Lee | 1982-12-21 |
| 4348296 | Crystalline lithium aluminates | John M. Lee, John L. Burba, III | 1982-09-07 |
| 4348297 | Crystalline lithium aluminates | John M. Lee | 1982-09-07 |
| 4347327 | Recovery of lithium from brines | John M. Lee | 1982-08-31 |