Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262145 | Novel etherification process | Charles M. Selwitz | 1981-04-14 |
| 4236030 | Process for recovering phenols from a hydrocarbon mixture containing the same | Charles M. Selwitz | 1980-11-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262145 | Novel etherification process | Charles M. Selwitz | 1981-04-14 |
| 4236030 | Process for recovering phenols from a hydrocarbon mixture containing the same | Charles M. Selwitz | 1980-11-25 |