Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281164 | SOx additive systems based upon use of multiple particle species | Edward J. Demmel, Albert A. Vierheilig | 2001-08-28 |
| 6074984 | SO.sub.x Additive systems based upon use of multiple particle species | Edward J. Demmel, Albert A. Vierheilig | 2000-06-13 |
| 6048821 | SO.sub.x additive systems based upon use of multiple particle species | Edward J. Demmel, Albert A. Vierheilig | 2000-04-11 |
| 5389236 | Method and apparatus for controlling introduction of catalysts into FCC units | David B. Bartholic | 1995-02-14 |