Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H938 | Removal of hydroxide ion from alkoxide ion solutions | Jonathan A. Okorley, James A. Sinclair | 1991-07-02 |
| 4988737 | Process for regenerating ion exchange resins loaded with naphthenic and other organic acids | W. Matthews | 1991-01-29 |
| 4976866 | Concentric tubular membrane device and process useful in ion exchange or absorbent processes | Robert R. Grinstead | 1990-12-11 |
| 4846977 | Method and device for separating polar from non-polar liquids using membranes | Robert DeVellis, Lawrence R. Schroeder, Curtis M. Tong, Terrence L. Caskey, Charles W. Martin | 1989-07-11 |
| 4500500 | Selective removal of H.sub.2 S from steam also containing CO.sub.2 | Denis Drapeau | 1985-02-19 |