Inventor · disambiguated record
Darrell D. Whitehurst
Also filed as: WHITEHURST DARRELL D · WHITEHURST DARRELL DUAYNE · WHITHURST DARRELL D
61 granted patents·1,474 citations·filing 1971–2000
99Inventor score
Top patents by PatentIndex Score
61 records- 0197US4659454AHydrocracking of heavy feeds plus light fractions with dispersed dual function catalystMOBIL OIL CORP·Filed 1985·Granted Apr 21, 1987·133 cites·18 claims
- 0297US4046668ADouble solvent extraction of organic constituents from tar sandsMOBIL OIL CORP·Filed 1976·Granted Sep 6, 1977·87 cites·7 claims
- 0396US4969522APolymer-coated support and its use as sand pack in enhanced oil recoveryMOBIL OIL CORP·Filed 1988·Granted Nov 13, 1990·97 cites·14 claims
- 0496US4354922AProcessing of heavy hydrocarbon oilsMOBIL OIL CORP·Filed 1981·Granted Oct 19, 1982·93 cites·25 claims
- 0596US3980583AComplexed metals bonded to inorganic oxidesMOBIL OIL CORP·Filed 1974·Granted Sep 14, 1976·39 cites·11 claims
- 0692US4952749ARemoval of diamondoid compounds from hydrocarbonaceous fractionsMOBIL OIL CORP·Filed 1989·Granted Aug 28, 1990·76 cites·35 claims
- 0792US4053534AOrganic compound conversionMOBIL OIL CORP·Filed 1976·Granted Oct 11, 1977·27 cites·29 claims
- 0890US4145486AInsoluble weak base exchange resin-metal compound complexMOBIL OIL CORP·Filed 1977·Granted Mar 20, 1979·45 cites·3 claims
- 0989US4098727AInsoluble polymers having functional groups containing chemically bonded Group VIII metalMOBIL OIL CORP·Filed 1971·Granted Jul 4, 1978·39 cites·3 claims
- 1088US4111856AInsoluble resin-metal compound complex prepared by contacting weak base ion exchange resin with solution of metal-ligandMOBIL OIL CORP·Filed 1974·Granted Sep 5, 1978·38 cites·7 claims
- 1188US4072720AProduction of alcoholMOBIL OIL CORP·Filed 1973·Granted Feb 7, 1978·38 cites·20 claims
- 1287US4982049APurification of hydrocarbonaceous fractionsMOBIL OIL CORP·Filed 1989·Granted Jan 1, 1991·51 cites·18 claims
- 1385US6551501B1Combined process for improved hydrotreating of diesel fuelsHALDOR TOPSOE AS·Filed 2000·Granted Apr 22, 2003·50 cites·12 claims
- 1485US4482752AOrganic compound conversionMOBIL OIL CORP·Filed 1982·Granted Nov 13, 1984·19 cites·13 claims
- 1582US4056488ASynthetic amorphous silicas of predetermined pore distribution, method of producing sameMOBIL OIL CORP·Filed 1975·Granted Nov 1, 1977·13 cites·15 claims
- 1680US4385042AContinuous reaction/separation method for nucleated growth reactionsMOBIL OIL CORP·Filed 1981·Granted May 24, 1983·20 cites·4 claims
- 1780US4323698AResin-metal compound complex for catalyzing chemical reactionsMOBIL OIL CORP·Filed 1980·Granted Apr 6, 1982·30 cites·10 claims
- 1879US4329221AUpgrading of hydrocarbon feedstockMOBIL OIL CORP·Filed 1980·Granted May 11, 1982·29 cites·17 claims
- 1978US4303497ADesulfurization, demetalation and denitrogenation of coalMOBIL OIL CORP·Filed 1980·Granted Dec 1, 1981·21 cites·12 claims
- 2078US4213921AOlefin hydroformylationMOBIL CORP·Filed 1976·Granted Jul 22, 1980·10 cites·17 claims
- 2178US3954883ACatalytic polystep reactionsMOBIL OIL CORP·Filed 1974·Granted May 4, 1976·24 cites·5 claims
- 2277US4908341AMethod for reactivating spent catalyst by contact with one or more aromatic compoundsMOBIL OIL CORP·Filed 1987·Granted Mar 13, 1990·33 cites·27 claims
- 2376US4952747ARemoval of diamondoid compounds from hydrocarbonaceous fractionsMOBIL OIL CORP·Filed 1989·Granted Aug 28, 1990·31 cites·20 claims
- 2475US5401393AReactive adsorbent and method for removing mercury from hydrocarbon fluidsMOBIL OIL CORP·Filed 1993·Granted Mar 28, 1995·32 cites·9 claims
- 2574US4447310AProduction of distillates by the integration of supercritical extraction and gasification through methanol to gasolineMOBIL OIL CORP·Filed 1982·Granted May 8, 1984·22 cites·17 claims
- 2674US4393255ACatalytic conversionMOBIL OIL CORP·Filed 1981·Granted Jul 12, 1983·11 cites·18 claims
- 2774US4334977AMethod for the generation of recycle solvents in coal liquefactionMOBIL OIL CORP·Filed 1981·Granted Jun 15, 1982·22 cites·5 claims
- 2872US4133646APhenolic recycle solvent in two-stage coal liquefaction processELECTRIC POWER RES INST·Filed 1977·Granted Jan 9, 1979·18 cites·20 claims
- 2972US4127475AProcess for the isolation of chemicals from processed coalsELECTRIC POWER RES INST·Filed 1977·Granted Nov 28, 1978·19 cites·28 claims
- 3071US4003825ASynthetic amorphous silicas of predetermined pore distribution, method of producing same and process of using sameMOBIL OIL CORP·Filed 1975·Granted Jan 18, 1977·8 cites·27 claims
- 3171US3944501ASorbent for removal of heavy metalsMOBIL OIL CORP·Filed 1973·Granted Mar 16, 1976·12 cites·6 claims
- 3270US4292168AUpgrading heavy oils by non-catalytic treatment with hydrogen and hydrogen transfer solventMOBIL OIL CORP·Filed 1979·Granted Sep 29, 1981·17 cites·20 claims
- 3370US4136021ASorbent for heavy metalsMOBIL OIL CORP·Filed 1976·Granted Jan 23, 1979·17 cites·2 claims
- 3469US4247384ALiquefaction of carbonaceous materialsMOBIL OIL CORP·Filed 1979·Granted Jan 27, 1981·16 cites·7 claims
- 3567US4487972AProduction of oxygenated compoundsMOBIL OIL CORP·Filed 1980·Granted Dec 11, 1984·18 cites·7 claims
- 3667US4086261AMethanation over synthetic amorphous silicasMOBIL OIL CORP·Filed 1976·Granted Apr 25, 1978·16 cites·18 claims
- 3766US4218571AOlefin hydrogenation over synthetic amorphous silicaMOBIL CORP·Filed 1979·Granted Aug 19, 1980·6 cites·22 claims
- 3866US3983055ASynthetic amorphous silicas of predetermined pore distribution method of producing sameMOBIL OIL CORP·Filed 1974·Granted Sep 28, 1976·12 cites·22 claims
- 3964US4470254AProcess and apparatus for coal combustionMOBIL OIL CORP·Filed 1982·Granted Sep 11, 1984·17 cites·10 claims
- 4064US4395324AThermal cracking with hydrogen donor diluentMOBIL OIL CORP·Filed 1981·Granted Jul 26, 1983·15 cites·13 claims
- 4164US4303494AContinuous reaction/separation method for nucleated growth reactionsMOBIL OIL CORP·Filed 1979·Granted Dec 1, 1981·12 cites·34 claims
- 4263US4892646AMethod for treating dewaxing catalystsMOBIL OIL CORP·Filed 1988·Granted Jan 9, 1990·20 cites·4 claims
- 4362US4452688AIntegrated coal liquefication processELECTRIC POWER RES INST·Filed 1980·Granted Jun 5, 1984·15 cites·11 claims
- 4459US4374725AProcess for coal liquefactionELECTRIC POWER RES INST·Filed 1978·Granted Feb 22, 1983·12 cites·6 claims
- 4554US4293404ADehydroxylation and/or demercaptolation of heavy petroleum oilsMOBIL OIL CORP·Filed 1980·Granted Oct 6, 1981·10 cites·15 claims
- 4653US4347116ATwo-stage coal liquefactionMOBIL OIL CORP·Filed 1978·Granted Aug 31, 1982·9 cites·3 claims
- 4750US4400561ACatalytic conversionMOBIL OIL CORP·Filed 1981·Granted Aug 23, 1983·9 cites·18 claims
- 4848US4404177AMethod for producing graphite crystalsMOBIL OIL CORP·Filed 1981·Granted Sep 13, 1983·9 cites·13 claims
- 4948US4257869ALiquefaction of acid treated coalELECTRIC POWER RES INST·Filed 1979·Granted Mar 24, 1981·7 cites·14 claims
- 5046US4428818ALiquefaction of coalMOBIL OIL CORP·Filed 1982·Granted Jan 31, 1984·8 cites·5 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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