Issued Patents All Time
Showing 26–50 of 166 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509289 | Hydrodealkylation process and catalyst composition | Charles A. Drake | 2003-01-21 |
| 6489528 | Aromatics production from oxygenated hydrocarbons | Charles A. Drake | 2002-12-03 |
| 6472569 | Silicoaluminophosphate material, a method of making such improved material and the use thereof in the conversion of oxygenated hydrocarbons to an olefin and/or an ether | Jianhua Yao, Charles A. Drake | 2002-10-29 |
| 6436863 | Hydrocarbon hydrogenation catalyst and process | Charles A. Drake | 2002-08-20 |
| 6437210 | Mazzite supported catalyst | Charles A. Drake | 2002-08-20 |
| 6433241 | Zeolite-based catalyst material, the preparation thereof and the use thereof for the selective dehydrogenation of N-butane | Charles A. Drake | 2002-08-13 |
| 6420295 | Hydrocarbon conversion catalyst composition and process therefor and therewith | Charles A. Drake | 2002-07-16 |
| 6398949 | Sapo-supported hydrodesulfurization catalyst and processes therefor and therewith | Charles A. Drake, Joseph E. Bares | 2002-06-04 |
| 6372680 | Catalyst system for converting oxygenated hydrocarbons to aromatics | Charles A. Drake | 2002-04-16 |
| 6300270 | Method of making a zeolite material | Charles A. Drake | 2001-10-09 |
| 6255243 | Process for producing Hydrocarbon conversion catalyst composition | Charles A. Drake | 2001-07-03 |
| 6235954 | Hydrocarbon hydrogenation catalyst and process | Charles A. Drake | 2001-05-22 |
| 6228789 | Silylated water vapor treated zinc or gallium promoted zeolite and use thereof for the conversion of non-aromatic hydrocarbons to olefins and aromatic hydrocarbons | Charles A. Drake | 2001-05-08 |
| 6218328 | Method of preparing a zeolite based catalyst material | Charles A. Drake | 2001-04-17 |
| 6198012 | Method for converting n-butane to butenes and BTX | Charles A. Drake | 2001-03-06 |
| 6191064 | Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons | Charles A. Drake | 2001-02-20 |
| 6187984 | Dehydrogenation of n-butane to butenes | Charles A. Drake | 2001-02-13 |
| 6175048 | Hydrocarbon conversion catalyst composition and processes therefor and therewith | Charles A. Drake | 2001-01-16 |
| 6172273 | Method for converting hydrocarbons to aromatics using a hybrid catalyst system | Charles A. Drake | 2001-01-09 |
| 6162352 | Gasoline upgrade | Charles A. Drake, Ralph J. Melton | 2000-12-19 |
| 6162353 | Process and catalyst for upgrading liquid hydrocarbons | Ralph J. Melton, Charles A. Drake | 2000-12-19 |
| 6156689 | Catalyst composition comprising zinc compound or boron compound and hydrocarbon conversion process | James B. Kimble, Charles A. Drake, Jianhua Yao | 2000-12-05 |
| 6133192 | Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons | Charles A. Drake | 2000-10-17 |
| 6133494 | Catalyst composition comprising acid-base leached zeolites | Charles A. Drake | 2000-10-17 |
| 6126812 | Gasoline upgrade with split feed | Charles A. Drake, Scott D. Love | 2000-10-03 |