Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780446 | Alumina-silica cogel | Joseph F. Porinchak | 1988-10-25 |
| 4542118 | Catalyst manufacture | John Allen Rudesill, Dean A. Denton, Raymond D. Feldwick | 1985-09-17 |
| 4381255 | Binderless zeolite extrudates and method of producing | Chang W. Chi, John J. Schwonke | 1983-04-26 |
| 4332699 | Catalyst preparation | — | 1982-06-01 |