Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703025 | Method for purifying zeolitic material | Albert C. Rohrman, Jr. | 1987-10-27 |
| 4415544 | Modification of catalytic activity of porous zeolites | Albert C. Rohrman, Jr., Stephen Sawruk | 1983-11-15 |
| 4414189 | Modification of catalytic activity of synthetic zeolites | Albert C. Rohrman, Jr., Stephen Sawruk | 1983-11-08 |
| 4289607 | Catalytic conversion with crystalline zeolite product constituting ZSM-5/ZSM-11 intermediates | — | 1981-09-15 |
| 4229424 | Crystalline zeolite product constituting ZSM-5/ZSM-11 intermediates | — | 1980-10-21 |
| 4187283 | Method for improving organic cation-containing zeolites | Stephen Sawruk | 1980-02-05 |