Howard; Lee J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Howard; Lee J..The latest application filed is for "olefin recovery from olefin-hydrogen mixtures".
- Howard; Lee J. - Allentown PA
- Howard; Lee J. - Emmaus PA
| Patent | Date |
|---|---|
| Olefin recovery from olefin-hydrogen mixtures Grant 5,634,354 - Howard , et al. June 3, 1 | 1997-06-03 |
| Mixed refrigerant cycle for ethylene recovery Grant 5,379,597 - Howard , et al. January 10, 1 | 1995-01-10 |
| Open loop mixed refrigerant cycle for ethylene recovery Grant 5,377,490 - Howard , et al. January 3, 1 | 1995-01-03 |
| Precooling for ethylene recovery in dual demethanizer fractionation systems Grant 5,361,589 - Howard , et al. November 8, 1 | 1994-11-08 |
| Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas Grant 4,734,115 - Howard , et al. March 29, 1 | 1988-03-29 |
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