Inventor · disambiguated record
Donald M. Haskell
Also filed as: HASKELL DONALD M · MAKOVEC DONALD J
15 granted patents·320 citations·filing 1975–1985
94Inventor score
Files withPHILLIPS PETROLEUM CO15
Top patents by PatentIndex Score
15 records- 0195US4592830AHydrovisbreaking process for hydrocarbon containing feed streamsPHILLIPS PETROLEUM CO·Filed 1985·Granted Jun 3, 1986·110 cites·11 claims
- 0293US4229602ADehydrocyclization processPHILLIPS PETROLEUM CO·Filed 1978·Granted Oct 21, 1980·35 cites·8 claims
- 0383US4207423AAcid type hydrocarbon alkylation with acid-soluble oil additionPHILLIPS PETROLEUM CO·Filed 1979·Granted Jun 10, 1980·15 cites·28 claims
- 0483US4205196AAcid-type hydrocarbon alkylation with acid recycle streams at spaced points of a vertically-disposed elongated reactorPHILLIPS PETROLEUM CO·Filed 1979·Granted May 27, 1980·16 cites·36 claims
- 0581US4024028AExtractive distillation of hydrocarbon mixturesPHILLIPS PETROLEUM CO·Filed 1976·Granted May 17, 1977·14 cites·13 claims
- 0680US4317795ACatalytic alkylation of hydrocarbonsPHILLIPS PETROLEUM CO·Filed 1980·Granted Mar 2, 1982·16 cites·6 claims
- 0779US4301315AMethod of producing high octane alkylate gasolinePHILLIPS PETROLEUM CO·Filed 1977·Granted Nov 17, 1981·24 cites·5 claims
- 0879US4054613AButadiene production and purificationPHILLIPS PETROLEUM CO·Filed 1975·Granted Oct 18, 1977·18 cites·1 claims
- 0977US4613715AOxygen addition to a steam-active dehydrogenation reactorPHILLIPS PETROLEUM CO·Filed 1985·Granted Sep 23, 1986·34 cites·20 claims
- 1070US4166771AButadiene recoveryPHILLIPS PETROLEUM CO·Filed 1977·Granted Sep 4, 1979·8 cites·6 claims
- 1168US4031153ASeparation of styrene from xylenesPHILLIPS PETROLEUM CO·Filed 1975·Granted Jun 21, 1977·7 cites·12 claims
- 1260US4076595AExtractive distillation of C4 hydrocarbons with an extractant mixturePHILLIPS PETROLEUM CO·Filed 1976·Granted Feb 28, 1978·5 cites·10 claims
- 1356US4179475AOlefin feed in HF alkylation of isoparaffin with olefinPHILLIPS PETROLEUM CO·Filed 1978·Granted Dec 18, 1979·4 cites·3 claims
- 1450US4090923AButadiene purification with simultaneous prefractionation and vinylacetylene rejectionPHILLIPS PETROLEUM CO·Filed 1977·Granted May 23, 1978·3 cites·4 claims
- 1550US4012289AN-Butane/acetone separation using sulfolanePHILLIPS PETROLEUM CO·Filed 1975·Granted Mar 15, 1977·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →