Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871273 | Optical light piping reflector element for backlighting liquid crystal displays | — | 1999-02-16 |
| 5861539 | Catalyst and process for producing organic polysulfide | — | 1999-01-19 |
| 5808164 | Process for producing aromatic sulfides | — | 1998-09-15 |
| 5798608 | Avionics grade fluorescent lamp resistant to lumen depreciation | — | 1998-08-25 |
| 5777188 | Thermal cracking process | Larry E. Reed, Kenneth E. Inkrott | 1998-07-07 |
| 5720545 | Refracting optic for fluorescent lamps used in backlighting liquid crystal displays | — | 1998-02-24 |
| 5696282 | Process for producing organosulfur compounds | Harry Porter | 1997-12-09 |
| 5648827 | Backlighting system for liquid crystal displays having a non-planar fluorescent lamp | — | 1997-07-15 |
| 5618981 | Process for producing aromatic sulfides | — | 1997-04-08 |
| 5585334 | Process for dissolving sulfur | — | 1996-12-17 |
| 5565517 | Synthesis of organic polysulfide polymers | Howard F. Efner | 1996-10-15 |
| 5559271 | Organic polysulfide compositions having reduced odor | Howard F. Efner | 1996-09-24 |
| 5545714 | Oxidation of dimercaptans to organic disulfide polymers | William E. Sattich, Howard F. Efner | 1996-08-13 |
| 5530163 | Process for producing organic polysulfide compounds | — | 1996-06-25 |
| 5464931 | Oxidation of dimercaptans to organic disulfide polymers | William E. Sattich, Howard F. Efner | 1995-11-07 |
| 5457234 | Process for treating organic polysulfide compounds | — | 1995-10-10 |
| 5403961 | Production of polysulfides | — | 1995-04-04 |
| 5283368 | Process for producing alkoxylated thio-compounds | — | 1994-02-01 |
| 5239104 | Method to prepare alklyl xanthates of phenols | — | 1993-08-24 |
| 5232623 | Catalyst and process for producing organic polysulfide | — | 1993-08-03 |
| 5218147 | Stable polysulfides and process therefor | — | 1993-06-08 |
| 5206439 | Preparation of high purity polysulfides | — | 1993-04-27 |
| 5180852 | Preparation of bis(organothio) alkanes | — | 1993-01-19 |
| 5162585 | Preparation of dihydroxy bis-sulfides | — | 1992-11-10 |
| 5155275 | Preparation of high purity polysulfides | — | 1992-10-13 |