Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482999 | Method for improving light olefin selectivity in an oxygenate conversion reaction | Shun C. Fung, James R. Lattner, Stephen N. Vaughn, Richard B. Hall, Hsiang-Ning Sun +1 more | 2002-11-19 |
| 6440894 | Methods of removing halogen from non-zeolitic molecular sieve catalysts | Stephen N. Vaughn, Albert E. Schweizer, John K. Pierce | 2002-08-27 |