Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908342 | ZSM-5 zeolites having uniformly large crystals | John P. McWilliams | 1990-03-13 |
| 4778665 | Abatement of NO.sub.x in exhaust gases | Sowmithri Krishnamurthy, John P. McWilliams, David A. Pappal, Thomas R. Kiliany | 1988-10-18 |
| 4721824 | Guard bed catalyst for organic chloride removal from hydrocarbon feed | John P. McWilliams, Margaret Nemet-Mavrodin, Robert C. Wilson, Jr. | 1988-01-26 |