Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840930 | Method for preparing acid stable zeolites and high silica zeolites prepared by it | Rene B. LaPierre, Randall D. Partridge, Paul Reischman | 1989-06-20 |
| 4658075 | Xylene isomerization with a reactivated zeolite | Ralph M. Dessau | 1987-04-14 |
| 4642407 | Methanol conversion using reactivated zeolite | Ralph M. Dessau | 1987-02-10 |
| 4575573 | Catalysis over activated zeolites | Ralph M. Dessau | 1986-03-11 |
| 4568787 | Catalysis over activated zeolites | Ralph M. Dessau | 1986-02-04 |
| 4517075 | Catalysis over activated zeolites | Ralph M. Dessau | 1985-05-14 |
| 4476330 | Conversion of ethers using a zeolite catalyst | Charles J. Plank, Edward J. Rosinski | 1984-10-09 |
| 4461845 | Reactivation of steam-deactivated catalysts | Ralph M. Dessau | 1984-07-24 |
| 4438215 | Activity enhancement of high silica zeolites | Ralph M. Dessau | 1984-03-20 |
| 4306106 | Conversion of polar compounds using a ZSM-5 zeolite catalyst | Charles J. Plank, Edward J. Rosinski | 1981-12-15 |
| 4243828 | Alkylation of aromatics using a high silica zeolite | Charles J. Plank, Edward J. Rosinski | 1981-01-06 |