Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461916 | Process for the production of p-tert-octyl phenol by catalytic alkylation of phenol | Helmut Alfs, Erwin Vangermain | 1984-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461916 | Process for the production of p-tert-octyl phenol by catalytic alkylation of phenol | Helmut Alfs, Erwin Vangermain | 1984-07-24 |