Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300722 | Oxygen-free aromatic alkylation process | Maribeth B. Amundsen, Ken Tadano, Allen I. Feinstein | 1994-04-05 |
| 5118896 | Aromatic alkylation process using large macropore, small particle size, zeolite catalyst | Terry L. Marker | 1992-06-02 |
| 4239506 | Use of aqueous, non-sweep liquid during membrane separation | Robert D. Hughes | 1980-12-16 |
| 4237596 | Method of converting membrane separation units | Robert D. Hughes, Kemp R. Bunting | 1980-12-09 |
| 4235983 | Purification of olefin recycle to polymerization | Robert L. Yahnke, Alistair S. Couper, Chand Deepak | 1980-11-25 |
| 4188817 | Method for detecting membrane leakage | — | 1980-02-19 |