Hanson; Donald O.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hanson; Donald O..The latest application filed is for "process for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator".
- Hanson; Donald O. - Bartlesville OK
| Patent | Date |
|---|---|
| Process for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator Grant 5,597,892 - Hanson January 28, 1 | 1997-01-28 |
| Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator Grant 5,575,979 - Hanson November 19, 1 | 1996-11-19 |
| Separation of solid polymers and liquid diluent Grant 4,737,280 - Hanson April 12, 1 | 1988-04-12 |
| Monomer and diluent recovery Grant 4,589,957 - Sherk , et al. May 20, 1 | 1986-05-20 |
| Separation of solid polymers and liquid diluent Grant 4,461,889 - Hanson July 24, 1 | 1984-07-24 |
| Separation of solid polymers and liquid diluent Grant 4,424,341 - Hanson , et al. January 3, 1 | 1984-01-03 |
| Solvent extraction of tar sand Grant 4,139,450 - Hanson , et al. February 13, 1 | 1979-02-13 |
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