Karch; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Karch; John A..The latest application filed is for "light paraffin dehydrogenation catalysts and their application in fluidized bed dehydrogenation processes".
- Karch; John A. - Lake Zurich IL
- Karch; John A. - Marriottsville MD
- Karch; John A. - Homewood IL
- Karch; John A. - Chicago IL
| Patent | Date |
|---|---|
| Light Paraffin Dehydrogenation Catalysts And Their Application In Fluidized Bed Dehydrogenation Processes App 20220203340 - Buchbinder; Avram M. ; et al. | 2022-06-30 |
| Attrition resistant MTO catalyst Grant 7,309,679 - Karch , et al. December 18, 2 | 2007-12-18 |
| Attrition resistant MTO catalyst App 20070032378 - Karch; John A. ; et al. | 2007-02-08 |
| Metal-containing spinel composition and process of using same Grant 4,963,520 - Yoo , et al. October 16, 1 | 1990-10-16 |
| Process for reducing emissions of sulfur oxides and composition useful in same Grant 4,957,718 - Yoo , et al. September 18, 1 | 1990-09-18 |
| Metal-containing spinel composition and process of using same Grant 4,790,982 - Yoo , et al. December 13, 1 | 1988-12-13 |
| Preparative process for alkaline earth metal, aluminum-containing spinels Grant 4,522,937 - Yoo , et al. June 11, 1 | 1985-06-11 |
| In situ aluminum passivation process Grant 4,317,713 - Burk, Jr. , et al. March 2, 1 | 1982-03-02 |
| Demetallization process for a conversion catalyst Grant 4,267,032 - Burk, Jr. , et al. May 12, 1 | 1981-05-12 |
| Catalyst demetallization with a reductive SO.sub.2 wash Grant 4,243,550 - Burk , et al. January 6, 1 | 1981-01-06 |
| High pressure oxygen aqueous phase catalyst demetallization Grant 4,234,452 - Burk, Jr. , et al. November 18, 1 | 1980-11-18 |
| Process for removing sulfur from coal Grant 4,224,038 - Masologites , et al. September 23, 1 | 1980-09-23 |
| Process for removing sulfur from coal Grant 4,197,090 - Yoo , et al. April 8, 1 | 1980-04-08 |
| Catalyst demetallization by oxidation in a defined temperature range Grant 4,163,709 - Burk , et al. August 7, 1 | 1979-08-07 |
| Process for removing sulfur from coal Grant 4,158,548 - Burk, Jr. , et al. June 19, 1 | 1979-06-19 |
| Process for removing sulfur from coal Grant 4,105,416 - Burk, Jr. , et al. August 8, 1 | 1978-08-08 |
| Catalyst demetallization by oxidation in a defined temperature range Grant 4,102,811 - Burk , et al. July 25, 1 | 1978-07-25 |
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