Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9175109 | Oligomerization processes and polymer compositions produced therefrom | Bruce E. Kreischer, Paul J. DesLauriers, Ronald D. Knudsen, Vivek Rohatgi, R. Kim Perry +1 more | 2015-11-03 |
| 7718838 | Olefin production process | William M. Woodard, Warren M. Ewert, Harvey Hensley, Glyndal D. Cowan, Jeffrey W. Freeman +5 more | 2010-05-18 |
| 7157612 | Olefin production process | Warren M. Ewert, William M. Woodard, Harvey Hensley, Glyndal D. Cowan, Jeffrey W. Freeman +5 more | 2007-01-02 |
| 6737557 | Hydrocarbon upgrading process | Tin-Tack Peter Cheung, Steven A. Owen, Marvin M. Johnson | 2004-05-18 |
| 6258989 | Hydrocarbon upgrading process | Steven A. Owen, Marvin M. Johnson, Tin-Tack Peter Cheung | 2001-07-10 |
| 5859303 | Olefin production | — | 1999-01-12 |
| 5705725 | Aromatic alkali metal alkene addition process | Ted M. Pettijohn, Henry L. Hsieh | 1998-01-06 |
| 5689028 | Process to regulate olefin production by catalyst system inhibition | Jeffrey W. Freeman, Ronald D. Knudsen | 1997-11-18 |
| 5563312 | Olefin production | Ronald D. Knudsen, Jeffrey W. Freeman | 1996-10-08 |
| 5543375 | Olefin production | Jeffrey W. Freeman, Ronald D. Knudsen | 1996-08-06 |
| 5233114 | Alkene addition process | Ted M. Pettijohn, Henry L. Hsieh | 1993-08-03 |
| 5210361 | Allyl alkali metal alkene addition process | Henry L. Hsieh | 1993-05-11 |
| 5196622 | Alkene addition process | Ted M. Pettijohn | 1993-03-23 |