Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids | Harry W. Burkhead, Jr. | 2006-02-14 |
| 6156696 | Hydrotalcite contact materials | Harry W. Burkhead, Jr. | 2000-12-05 |
| 5928496 | Hydrotalcite sulfer oxide sorption | Harry W. Burkhead, Jr. | 1999-07-27 |
| 5925327 | Process for improving the physical properties of formed particles | Harry W. Burkhead, Jr., Joseph C. S. Shi | 1999-07-20 |
| 5866496 | Cracking catalyst and process for preparing same | Harry W. Burkhead, Jr., Joseph C. S. Shi | 1999-02-02 |
| 5801115 | Catalyst composition and methods for using and preparing same | Harry W. Burkhead, Jr., J. Gary McDaniel | 1998-09-01 |
| 5739072 | Process for improving the physical and catalytic properties of a fluid cracking catalyst | Joseph C. S. Shi, Geoffrey R. Wilson | 1998-04-14 |
| 5711930 | Process for improving the phyiscal properties of formed particles | Harry W. Burkhead, Jr. | 1998-01-27 |
| 5135756 | Process for improving the physical and catalytic properties of a fluid cracking catalyst | Joseph C. S. Shi, Geoffrey R. Wilson | 1992-08-04 |
| 4946814 | Process for improving the physical and catalytic properties of fluid cracking catalysts | Joseph C. S. Shi, Geoffrey R. Wilson | 1990-08-07 |
| 4247420 | Hydrocarbon conversion catalyst preparation | Joseph S. C. Dumoulin, Mark A. Seese | 1981-01-27 |
| 4226743 | Silica-alumina hydrogel catalyst | Mark A. Seese, John S. Magee, Jr. | 1980-10-07 |