Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374093 | Continuous-stream upflow zeolite crystallization apparatus | Louis D. Rollmann | 1983-02-15 |
| 4368174 | Apparatus for a continuous down-flow zeolite production | — | 1983-01-11 |
| 4285922 | Method of preparing crystalline zeolite | Costandi A. Audeh | 1981-08-25 |
| 4205052 | Manufacture of synthetic mordenite | Louis D. Rollmann | 1980-05-27 |
| 4205053 | Manufacture of nitrogenous zeolites | Louis D. Rollmann | 1980-05-27 |