Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11444298 | Electrolyte shunt migration management in a fuel cell stack | Ke Gong | 2022-09-13 |
| 10689301 | Method of making a porous fuel cell component | Kevin A. Arpin, Timothy W. Patterson | 2020-06-23 |
| 10633494 | Polymeric materials | Andrew Overend, Neil Davies | 2020-04-28 |
| 9006427 | Photochromic materials demonstrating improved fade rates | Anu Chopra | 2015-04-14 |
| 8748634 | Photochromic materials demonstrating improved fade rates | Anu Chopra | 2014-06-10 |
| 7465415 | Photochromic materials derived from ring-opening monomers and photochromic initiators | Feng Wang, Barry Van Gemert, Kevin J. Stewart, Carol L. Knox, Anu Chopra | 2008-12-16 |
| 7282187 | Recovery of metal values | Robert A. Hard, Donna D. Harbuck, G. Kyle Green | 2007-10-16 |
| 7276225 | Process for producing niobium and tantalum compounds | Rong-Chein Richard Wu, Raymond C. Pedicone, Michael G. Madara | 2007-10-02 |
| 6984370 | Process for producing niobium and tantalum compounds | Rong-Chein Richard Wu, Raymond C. Pedicone, Michael G. Madara | 2006-01-10 |
| 6979429 | Method for solubilizing metal values | Robert A. Hard, James E. Reynolds | 2005-12-27 |
| 6436879 | Process for producing a predetermined cesium compound | Michael C. Northrup, Bart F. Bakke | 2002-08-20 |
| 6338832 | Process for producing niobium and tantalum compounds | Rong-Chein Richard Wu, Raymond C. Pedicone, Michael G. Madara | 2002-01-15 |
| 6015535 | Process for producing purified cesium compound from cesium alum | Michael C. Northrup, Bart F. Bakke | 2000-01-18 |
| 5358700 | Method of extracting zinc from brines | Jerry Dobson, Enzo L. Coltrinari, Eugenio Iasillo | 1994-10-25 |
| 5246684 | Method of extracting zinc from brines | Jerry Dobson, James E. Reynolds | 1993-09-21 |
| 5244491 | Method of extracting zinc lead and silver from brines | Jerry Dobson, Kerry A. McDonald | 1993-09-14 |
| 5219550 | Production of low boron lithium carbonate from lithium-containing brine | Daniel Alfred Boryta | 1993-06-15 |
| 4980136 | Production of lithium metal grade lithium chloride from lithium-containing brine | Susan J. Beckerman | 1990-12-25 |
| 4771246 | Method for determining the location of a leak in a pond liner formed of electrically insulating material | Daniel Alfred Boryta | 1988-09-13 |
| 4341566 | Eutectic mixture as a flux for glass melts | Wayne Barrett | 1982-07-27 |
| 4274834 | Process for purification of lithium chloride | Susan R. Jacob | 1981-06-23 |
| 4271131 | Production of highly pure lithium chloride from impure brines | Susan R. Jacob, Daniel Alfred Boryta | 1981-06-02 |
| 4243392 | Process for solar concentration of lithium chloride brine | Daniel Alfred Boryta | 1981-01-06 |
| 4207297 | Process for producing high purity lithium carbonate | Charles E. Falletta | 1980-06-10 |