Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728357 | Reduction of NO.sub.x emissions from rotary cement kilns by selective noncatalytic reduction | — | 1998-03-17 |
| 5645756 | Hardness suppression in urea solutions | Leonard Dubin, W. Robert Epperly, Barry N. Sprague | 1997-07-08 |
| 5543123 | Low pressure formation of a urea hydrolysate for nitrogen oxides reduction | John E. Hofmann, Daniel V. Diep, M. Linda Lin | 1996-08-06 |
| 5441713 | Hardness suppression in urea solutions | Leonard Dubin, W. Robert Epperly, Barry N. Sprague | 1995-08-15 |
| 5399325 | Nitrogen oxides reduction using a urea hydrolysate | Reinhard Pachaly, M. Linda Lin, Daniel V. Diep, Joseph B. Wegrzyn | 1995-03-21 |
| 5240688 | Process for the in-line hydrolysis of urea | Reihard Pachaly, John E. Holfmann | 1993-08-31 |