Inventor · disambiguated record
Douglas G. Naae
Also filed as: NAAE DOUGLAS G · NAAE DOUGLAS GENE
17 granted patents·2 pending applications·436 citations·filing 1986–2017
95Inventor score
Top patents by PatentIndex Score
19 records- 0192US6207808B1Catalytic method for the preparation of lignin phenol surfactants in organic solventsTEXACO INC·Filed 2000·Granted Mar 27, 2001·45 cites·20 claims
- 0292US6100385ACatalytic method for the preparation of lignin phenol surfactants in organic solventsTEXACO INC·Filed 1998·Granted Aug 8, 2000·86 cites·18 claims
- 0388US4739040ASurfactants from ligninTEXACO INC·Filed 1986·Granted Apr 19, 1988·57 cites·42 claims
- 0479US5230814AHydrocarbon recovery comprising injecting a slug comprising oil soluble alkoxylated surfactants from ligninTEXACO INC·Filed 1990·Granted Jul 27, 1993·43 cites·3 claims
- 0577US5095986AEnhanced oil recovery using oil soluble sulfonates from lignin and benzyl alcoholTEXACO INC·Filed 1990·Granted Mar 17, 1992·35 cites·10 claims
- 0673US8795472B2Process for generating a hydrocarbon feedstock from ligninSCHINSKI WILLIAM LAWRENCE·Filed 2008·Granted Aug 5, 2014·2 cites·23 claims
- 0772US4781251ARecovering hydrocarbons with water soluble alkylphenol lignin surfactantsTEXACO INC·Filed 1987·Granted Nov 1, 1988·20 cites·14 claims
- 0870US5100567AShear-thickening solutions with hydroxypropyl celluloseTEXACO INC·Filed 1990·Granted Mar 31, 1992·16 cites·22 claims
- 0968US5169559AMethod for forming a high viscosity gelTEXACO INC·Filed 1991·Granted Dec 8, 1992·21 cites·4 claims
- 1068US5027898AFoaming agents for carbon dioxide and steam floodsTEXACO INC·Filed 1990·Granted Jul 2, 1991·46 cites·11 claims
- 1166US4787454ARecovering hydrocarbons with surfactants from ligninTEXACO INC·Filed 1987·Granted Nov 29, 1988·20 cites·4 claims
- 1260US5076361AGel method for decreasing permeability around a wellboreTEXACO INC·Filed 1990·Granted Dec 31, 1991·16 cites·22 claims
- 1358US5095985AEnhance oil recovery using oil soluble sulfonate surfactants from lignin and alkylphenolTEXACO INC·Filed 1990·Granted Mar 17, 1992·14 cites·10 claims
- 1456US8894818B2Process for generating a hydrocarbon feedstock ligninSCHINSKI WILLIAM LAWRENCE·Filed 2008·Granted Nov 25, 2014·1 cites·20 claims
- 1551US10501677B2Surfactant compositionsCHEVRON USA INC·Filed 2017·Granted Dec 10, 2019·0 cites·23 claims
- 1651US2014371496A1Solvent-enhanced biomass liquefactionSTEVENS JR JAMES FLOYD·Filed 2014·Application pending·0 cites
- 1749US5035288ALignin phenol/lignin/amine surfactant systemTEXACO INC·Filed 1990·Granted Jul 30, 1991·14 cites·16 claims
- 1848US9181505B2Integrated biofuel processSTEVENS JAMES F·Filed 2009·Granted Nov 10, 2015·0 cites·23 claims
- 1943US2013212930A1Process for producing a refinery stream-compatible bio-oil from a lignocellulosic feedstockNAAE DOUGLAS G·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →