Walker; Darrell W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Darrell W..The latest application filed is for "process and catalyst for dehydrogenation of organic compounds".
- Walker; Darrell W. - Visalia CA
- Walker; Darrell W. - Media PA
- Walker; Darrell W. - Bartlesville OK
| Patent | Date |
|---|---|
| Process and catalyst for dehydrogenation of organic compounds Grant 5,733,518 - Durante , et al. March 31, 1 | 1998-03-31 |
| Process and catalyst for dehydrogenation of organic compounds Grant 5,439,859 - Durante , et al. August 8, 1 | 1995-08-08 |
| Catalytic dehydrogenation of alkanes Grant 5,386,074 - Durante , et al. January 31, 1 | 1995-01-31 |
| Catalytic oxidation of alkanes Grant 5,132,472 - Durante , et al. July 21, 1 | 1992-07-21 |
| Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes Grant 4,918,249 - Durante , et al. April 17, 1 | 1990-04-17 |
| Cracking catalyst and process Grant 4,873,211 - Walker , et al. October 10, 1 | 1989-10-10 |
| Catalytic cracking Grant 4,846,960 - Walker , et al. July 11, 1 | 1989-07-11 |
| Catalytic cracking catalyst Grant 4,794,095 - Walker , et al. December 27, 1 | 1988-12-27 |
| Cracking catalyst and process Grant 4,765,884 - Walker , et al. August 23, 1 | 1988-08-23 |
| Passivation of metal contaminated cracking catalysts Grant 4,727,053 - Bertus , et al. February 23, 1 | 1988-02-23 |
| Selective hydrogenation Grant 4,484,015 - Johnson , et al. November 20, 1 | 1984-11-20 |
| Selective hydrogenation catalyst Grant 4,404,124 - Johnson , et al. September 13, 1 | 1983-09-13 |
| Zinc aluminate prepared using an alumina hydrate Grant 4,370,310 - Walker January 25, 1 | 1983-01-25 |
| Zinc titanate catalyst for dehydrogenation of hydrocarbons Grant 4,218,346 - Walker , et al. August 19, 1 | 1980-08-19 |
| Dehydrogenation of hydrocarbons with zinc titanate catalyst Grant 4,176,140 - Bertus , et al. November 27, 1 | 1979-11-27 |
| Dehydrogenation of hydrocarbons with zinc titanate catalyst Grant 4,144,277 - Walker , et al. March 13, 1 | 1979-03-13 |
| Oxidative Dehydrogenation Catalysts Grant 3,862,997 - Walker January 28, 1 | 1975-01-28 |
| Oxidative Dehydrogenation Grant 3,856,879 - Bertus , et al. December 24, 1 | 1974-12-24 |
| Catalytic Dehydrogenation Process Grant 3,670,044 - Drehman , et al. June 13, 1 | 1972-06-13 |
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