Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980848 | Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate | Steve Kresnyak | 1999-11-09 |
| 5830422 | Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate | Steve Kresnyak, Mark Hantke | 1998-11-03 |
| 5654351 | Method for sodium carbonate compound recovery and formation of ammonium sulfate | Steve Kresnyak | 1997-08-05 |