Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324696 | Method of preparing crystalline zeolite catalyst of high activity | — | 1982-04-13 |
| 4311865 | Manufacture of hydrocarbons from oxygenates | Nai Y. Chen, William J. Reagan | 1982-01-19 |