Inventor · disambiguated record
Donald O. Hanson
Also filed as: HANSON DONALD O
9 granted patents·1,463 citations·filing 1976–1995
93Inventor score
Files withPHILLIPS PETROLEUM CO9
Top patents by PatentIndex Score
9 records- 0198US5575979AProcess and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separatorPHILLIPS PETROLEUM CO·Filed 1991·Granted Nov 19, 1996·748 cites·5 claims
- 0298US4424341ASeparation of solid polymers and liquid diluentPHILLIPS PETROLEUM CO·Filed 1981·Granted Jan 3, 1984·203 cites·4 claims
- 0396US4737280ASeparation of solid polymers and liquid diluentPHILLIPS PETROLEUM CO·Filed 1984·Granted Apr 12, 1988·106 cites·2 claims
- 0496US4139450ASolvent extraction of tar sandPHILLIPS PETROLEUM CO·Filed 1977·Granted Feb 13, 1979·84 cites·9 claims
- 0595US4589957AMonomer and diluent recoveryPHILLIPS PETROLEUM CO·Filed 1983·Granted May 20, 1986·112 cites·9 claims
- 0692US5597892AProcess for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separatorPHILLIPS PETROLEUM CO·Filed 1995·Granted Jan 28, 1997·123 cites·10 claims
- 0789US4461889ASeparation of solid polymers and liquid diluentPHILLIPS PETROLEUM CO·Filed 1980·Granted Jul 24, 1984·51 cites·8 claims
- 0886US4071433ARecovery of oil from tar sandsPHILLIPS PETROLEUM CO·Filed 1976·Granted Jan 31, 1978·33 cites·7 claims
- 0942US4112058AProduction of carbon monoxide from carbonaceous material and zinc oxidePHILLIPS PETROLEUM CO·Filed 1976·Granted Sep 5, 1978·3 cites·8 claims
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