Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689013 | Process for preparing tertiary alkyl ethers from an olefinic hydrocarbon feedstock | Harri Jarvelin, Juha Jakkula | 1997-11-18 |
| 5637777 | Process and apparatus for preparing tertiary alkyl ether | Juhani Aittamaa, Isto Eilos, Juha Jakkula | 1997-06-10 |