Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8530702 | Recovery of acetophenone during the production of phenol | Jesse Raymond Black, Phillip E. Unger | 2013-09-10 |
| 7205442 | Method of making high purity phenol | — | 2007-04-17 |
| 7019180 | Method of purifying phenol | — | 2006-03-28 |
| 4579690 | Process for the deoiling of olefin sulfonates | — | 1986-04-01 |
| 4423256 | Recovery of secondary alkanols | Paul V. Shaw, Charles E. Sanborn, Eugene F. Lutz | 1983-12-27 |