Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500233 | Purification of p-xylene using composite mixed matrix membranes | Stephen J. Miller, Sudhir S. Kulkarni, David J. Hasse | 2002-12-31 |
| 6475376 | Mild hydrotreating/extraction process for low sulfur fuel for use in fuel cells | Lawrence W. Jossens, Gunther H. Dieckmann | 2002-11-05 |
| 6454836 | Method and apparatus for wellbore gas separation | Mark H. Koelmel, Stephen J. Miller, David R. Underdown, Rick A. Wright, Jean P. Camy +2 more | 2002-09-24 |
| 6339182 | Separation of olefins from paraffins using ionic liquid solutions | Laura C. Boudreau, Michael S. Driver, William L. Schinski | 2002-01-15 |