Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470556 | Method for reduction of sulfur trioxide in flue gases | — | 1995-11-28 |
| 4980138 | Removal of SO.sub.x and NO.sub.x gases from flue gas by dry absorption using an absorbent | — | 1990-12-25 |
| 4848995 | Removal of sulfur oxides from flue gas | — | 1989-07-18 |
| 4755282 | Process for the reduction of NH.sub.3 in regeneration zone off gas by select recycle of certain-sized NH.sub.3 decomposition catalysts | John E. Gwyn | 1988-07-05 |
| 4744962 | Process for the reduction of ammonia in regeneration zone off gas by select addition of NO.sub.x to the regeneration zone or to the regeneration zone off gas | Gregory L. Johnson, Diana M. Altrichter | 1988-05-17 |
| 4521388 | NO.sub.x reduction in flue gas | Jack B. Pohlenz | 1985-06-04 |