Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960556 | Spherical tungsten disulfide powder | — | 2005-11-01 |
| 6849297 | Encapsulated long life electroluminescent phosphor | Chen-Wen Fan, Kenneth T. Reilly, Dale E. Benjamin | 2005-02-01 |
| 6702959 | Long life, white light emitting electroluminescent phosphor | Chen-Wen Fan | 2004-03-09 |
| 6686043 | Method for making long-life electroluminescent phosphor | Chen-Wen Fan, Dale E. Benjamin | 2004-02-03 |
| 6623807 | Stabilization of color in heated electroluminescent phosphor | Clarence D. Vanderpool | 2003-09-23 |
| 6569357 | Method of making electroluminescent phosphor | — | 2003-05-27 |
| 6562260 | Recovery of electroluminescsent phosphor from encapsulated material | Chen-Wen Fan, Keith A. Klindinst | 2003-05-13 |
| 6426115 | Method for making high-efficacy and long life electroluminescent phosphor | Chen-Wen Fan, Dale E. Benjamin | 2002-07-30 |
| 6395196 | Process for producing electroluminescent phosphor with extended half-life | Clarence D. Vanderpool | 2002-05-28 |
| 6364951 | Moisture insensitive electroluminescent phosphor | Chen-Wen Fan | 2002-04-02 |
| 6361864 | Method for making high-efficacy and long life electroluminescent phophor | Chen-Wen Fan, Dale E. Benjamin | 2002-03-26 |
| 6309700 | Method of making long life electroluminescent phosphor | Chen-Wen Fan, Tuan A. Dang, Dale E. Benjamin | 2001-10-30 |
| 6171650 | Moisture insensitive electroluminescent phosphor | Chen-Wen Fan | 2001-01-09 |
| 6113808 | Electroluminescent phosphor with extended life and method of making same | Clarence D. Vanderpool | 2000-09-05 |
| 5985175 | Boron oxide coated phosphor and method of making same | Chen-Wen Fan, Dale E. Benjamin, Franz Kummer, Charles F. Chenot | 1999-11-16 |
| 5676917 | Synthesis of beta phase spherical calcium pyrophosphate powder | Leslie F. Trudeau, Charles F. Chenot | 1997-10-14 |
| 5525259 | Europium-doped yttrium oxide phosphor | Robin W. Munn, James E. Morse | 1996-06-11 |
| 5503769 | Method of making an unactivated yttrium tantalate x-ray phosphor | Kenneth T. Reilly, Richard R. Borchardt | 1996-04-02 |
| 5431851 | Composite electroluminescent phosphor | Ronald E. Karam | 1995-07-11 |
| 5417945 | Process for recovering tungsten as an ammoniacal tungstate compound in which ammoniacal tungstate liquors are reclaimed | James N. Christini, Martin Vogt, Clarence D. Vanderpool, Michael J. Miller | 1995-05-23 |
| 5294368 | Method of making a composite electroluminescent phosphor | Ronald E. Karam | 1994-03-15 |
| 5009808 | Process for producing electroluminescent yellow zinc sulfide phosphors | Kenneth T. Reilly, Christopher Poss | 1991-04-23 |
| 4925593 | Method for producing cadmium free green emitting CRT phosphor | Richard R. Borchardt, Michael J. Miller | 1990-05-15 |
| 4897217 | Method for producing alkaline earth halophosphate stir-in phosphors | Douglas Michael Jackson, John A. Arbie, Sr. | 1990-01-30 |
| 4859361 | Process for producing electroluminescent phosphors of improved brightness | Kenneth T. Reilly | 1989-08-22 |