Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870215 | Phenol alkylation process | Charles W. Matthews, Jeffrey F. King | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870215 | Phenol alkylation process | Charles W. Matthews, Jeffrey F. King | 1989-09-26 |