Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371308 | Process for the preparation of lower olefins | John W. Gosselink | 1994-12-06 |
| 5286455 | Process for the preparation of hydrocarbons | Sytze A. Posthuma, Pieter J. Hoek | 1994-02-15 |