Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438215 | Activity enhancement of high silica zeolites | George T. Kerr | 1984-03-20 |
| 4423280 | Selective sorption by zeolites | — | 1983-12-27 |
| 4413154 | Diels-Alder cyclodimerization over a carbon molecular sieve catalyst | — | 1983-11-01 |
| 4384153 | Diels-Alder Cyclization over low acidity large-pore zeolites | — | 1983-05-17 |
| 4377503 | Shape selective metallic catalysis | — | 1983-03-22 |
| 4328363 | Manufacture of gamma halogen substituted adducts | El-Ahmadi I. Heiba | 1982-05-04 |
| 4324940 | Shape selective acid catalyzed reactions of olefins over crystalline zeolites | — | 1982-04-13 |
| 4309281 | Selective sorption by zeolites | — | 1982-01-05 |
| 4285868 | Preparation of gamma-butyrolactones | El-Ahmadi I. Heiba | 1981-08-25 |
| 4272288 | Concentration, separation and recovery of precious metals | — | 1981-06-09 |
| 4182715 | Amine derivatives of substituted gamma-butyrolactones | El-Ahmadi I. Heiba | 1980-01-08 |