Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518472 | Stabilized dual bed xylene isomerization catalyst system | Ruth Ann Doyle, Calvin T. Chew | 2003-02-11 |
| 5300722 | Oxygen-free aromatic alkylation process | Edward F. Steigelmann, Maribeth B. Amundsen, Ken Tadano | 1994-04-05 |
| 4677240 | Hydrocarbon conversion processes over crystalline borosilicate catalysts for pseudocumene recovery | Ronald E. Carlson, Jr., Stephen R. Ely, Ibrahim Ghanayem | 1987-06-30 |
| 4431857 | Modification of hydrocarbon conversion processes over crystalline borosilicate catalysts by addition of water | — | 1984-02-14 |
| 4400573 | Modification of hydrocarbon conversion processes over crystalline borosilicate catalysts by addition of an alcohol or ether | Raymond C. Feld | 1983-08-23 |