Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244642 | Method for conditioning flue gas | William G. Hankins, Burton Brooks, John Chittenden, Patrick J. Bader | 1993-09-14 |
| 5136088 | Sulfonation process for viscous sulfonic acid | David E. Farmer, Norman C. Foster, Thomas J. Loughney, Ronald K. Borrevik | 1992-08-04 |