Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695727 | Process for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regeneration | Shiaw Tseng, David R. McKinney | 1997-12-09 |
| 5645807 | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation | Shiaw Tseng, Russell C. Forsythe | 1997-07-08 |
| 5628811 | Method of ameliorating acid soil to enhance plant growth | Joel H. Beeghly, K. Dale Ritchey, Virupax C. Baligar, Ralph B. Clark | 1997-05-13 |
| 5614158 | Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide | — | 1997-03-25 |