Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876397 | Method for production of phenol/acetone from cumene hydroperoxide | John F. Knifton | 1989-10-24 |
| 4822921 | Method for one-step synthesis of methyl t-butyl ether | John F. Knifton | 1989-04-18 |