Issued Patents All Time
Showing 1–25 of 166 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648541 | Methods of preparing an aromatization catalyst | Joseph Bergmeister, III | 2023-05-16 |
| 11260376 | Methods of preparing an aromatization catalyst | Joseph Bergmeister, III | 2022-03-01 |
| 10774018 | Methods of preparing an aromatization catalyst | — | 2020-09-15 |
| 10487025 | Methods of preparing an aromatization catalyst | — | 2019-11-26 |
| 10150104 | Method for preparing aromatization catalysts | — | 2018-12-11 |
| 9943837 | Methods of regenerating aromatization catalysts | — | 2018-04-17 |
| 9790835 | Catalyst failure detection based combined ammonia to NOx ratios, conversion inefficiency values and ammonia slip values | Michael S. Haas | 2017-10-17 |
| 9421529 | Methods of reactivating an aromatization catalyst | — | 2016-08-23 |
| 9421530 | Methods of regenerating aromatization catalysts | — | 2016-08-23 |
| 9174895 | Methods of regenerating aromatization catalysts | — | 2015-11-03 |
| 8912108 | Methods of regenerating aromatization catalysts | — | 2014-12-16 |
| 8716161 | Methods of regenerating aromatization catalysts | — | 2014-05-06 |
| 8664144 | Methods of reactivating an aromatization catalyst | — | 2014-03-04 |
| 8664145 | Methods of preparing an aromatization catalyst | — | 2014-03-04 |
| 7387978 | Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst | Charles A. Drake | 2008-06-17 |
| 7323430 | Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst | Charles A. Drake | 2008-01-29 |
| 7153801 | Aromatization catalyst and methods of making and using same | — | 2006-12-26 |
| 7049260 | Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst | Charles A. Drake | 2006-05-23 |
| 6784332 | Processes employing hydrocarbon conversion catalyst | James B. Kimble, Charles A. Drake, Jianhua Yao | 2004-08-31 |
| 6660894 | Process for upgrading an oligomerization product | Charles A. Drake, Ronald D. Knudsen | 2003-12-09 |
| 6638892 | Syngas conversion and catalyst system employed therefor | Jianhua Yao, Charles A. Drake | 2003-10-28 |
| 6627780 | Catalyst composition and processes therefor and therewith | Charles A. Drake | 2003-09-30 |
| 6593503 | Process for making aromatic hydrocarbons using an acid treated zeolite | Charles A. Drake, Ralph J. Melton | 2003-07-15 |
| 6528450 | Catalyst composition and processes therefor and therewith | Charles A. Drake | 2003-03-04 |
| 6514896 | Catalyst composition and a process of using thereof | Charles A. Drake | 2003-02-04 |