Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7358412 | Method of making molecular sieve catalyst | Yun-Feng Chang, Stephen N. Vaughn, Fran A. Shipley, Kenneth R. Clem | 2008-04-15 |
| 7312369 | Attrition resistant molecular sieve catalyst, method of making and process for using | Yun-Feng Chang, Stephen N. Vaughn, Kenneth R. Clem, Luc R. M. Martens, Alistair D. Westwood | 2007-12-25 |
| 6710008 | Method of making molecular sieve catalyst | Yun-Feng Chang, Stephen N. Vaughn, Fran A. Shipley, Kenneth R. Clem | 2004-03-23 |