Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886918 | Olefin hydration and etherification process employing serially staged olefin introduction | Charles Sorensen | 1989-12-12 |
| 4853104 | Process for catalytic conversion of lube oil bas stocks | Thomas F. Degnan | 1989-08-01 |
| 4828677 | Production of high octane gasoline | Ronald H. Fischer, Rene B. LaPierre, Stuart S. Shih | 1989-05-09 |
| 4812222 | Production of lubricasting oils by hydrocracking | Garry W. Kirker | 1989-03-14 |