Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929770 | Aluminum phenoxide catalyst removal | Charles W. Matthews, Eric Batman | 1990-05-29 |
| 4870215 | Phenol alkylation process | Steven L. Wiker, Charles W. Matthews | 1989-09-26 |
| 4870216 | Phenol alkylation process | Charles W. Matthews, Eric Batman | 1989-09-26 |