Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855514 | Oxidative iodination of phenol | Mark Rule | 1989-08-08 |
| 4814545 | Process for removing impurities from an aromatic stream | Mark Rule, Gerald Charles Tustin, Joseph F. Jeter | 1989-03-21 |