Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849186 | Production of middle distillate range hydrocarbons by light olefin upgrading | James H. Beech, Jr., Hartley Owen, Samuel A. Tabak | 1989-07-18 |
| 4839024 | Split-feed naphtha reforming process | Donald Wong | 1989-06-13 |