Drehman; Lewis E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drehman; Lewis E..The latest application filed is for "dehydrogenation process".
- Drehman; Lewis E. - Bartlesville OK
| Patent | Date |
|---|---|
| Dehydrogenation process Grant 4,520,223 - McGinnis , et al. May 28, 1 | 1985-05-28 |
| Platinum group metal catalyst on the surface of a support and a process for preparing same Grant 4,431,750 - McGinnis , et al. February 14, 1 | 1984-02-14 |
| Promoted zinc titanate as catalytic agent Grant 4,333,855 - Gardner , et al. June 8, 1 | 1982-06-08 |
| Catalytic reforming and hydrocracking of organic compounds employing promoted zinc titanate as the catalytic agent Grant 4,263,132 - Drehman , et al. April 21, 1 | 1981-04-21 |
| Catalyst for dehydrogenation process Grant 4,169,815 - Drehman October 2, 1 | 1979-10-02 |
| Selective hydrogenation of polyenes Grant 4,152,365 - Drehman May 1, 1 | 1979-05-01 |
| Catalytic dehydrogenation process Grant 3,957,688 - Farha, Jr. , et al. May 18, 1 | 1976-05-18 |
| Catalytic dehydrogenation process Grant 3,894,110 - Drehman July 8, 1 | 1975-07-08 |
| Lead free motor fuel production Grant 3,883,418 - Drehman , et al. May 13, 1 | 1975-05-13 |
| Tin Impregnation Regeneration Of Group Viii Reforming-dehydrogenation Catalysts Grant 3,674,706 - Box, Jr. , et al. July 4, 1 | 1972-07-04 |
| Catalytic Dehydrogenation Process Grant 3,670,044 - Drehman , et al. June 13, 1 | 1972-06-13 |
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