Issued Patents 1997
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698756 | Toluene alkylation with ethylene to produce para-ethyloluene | Sharon B. McCullen, David H. Olson, David L. Stern | 1997-12-16 |
| 5689027 | Selective ethylbenzene conversion | Jeevan S. Abichandani, David H. Olson, P. Thomas Reischman, David L. Stern, Chaya R. Venkat | 1997-11-18 |
| 5689025 | Ethylbenzene production process with ex situ selectivated zeolite catalyst | Jeevan S. Abichandani, Sharon B. McCullen, David H. Olson | 1997-11-18 |
| 5675047 | Method of preparation of ex situ selectivated zeolite catalysts for aromatic alkylation applications | Ralph M. Dessau, David H. Olson | 1997-10-07 |
| 5659098 | High conversion touluene disproportionation with ex situ selectivated zeolite catalysts | Timothy F. Kinn, Sharon B. McCullen, David H. Olson, David L. Stern | 1997-08-19 |
| 5633417 | Enhanced shape selective applications and methods to increase the activity thereof | David H. Olson, Sharon B. McCullen | 1997-05-27 |
| 5625104 | Alkali metal ion exchanged selectivated zeolite catalyst | David L. Stern | 1997-04-29 |
| 5625103 | Continuous toluene disproportionation process | Jeevan S. Abichandani, Ronald H. Fischer, Ivy D. Johnson, David L. Stern | 1997-04-29 |
| 5612270 | Ammonium treated selectivated zeolite catalyst | David L. Stern | 1997-03-18 |
| 5602066 | Method of making a liquid washed selectivated zeolite catalyst | David L. Stern | 1997-02-11 |