Inventor · disambiguated record
Richard W. Jahnke
Also filed as: JAHNKE RICHARD W · JAHNKE RICHARD WILLIAM
39 granted patents·1,259 citations·filing 1972–2001
98Inventor score
Files withLUBRIZOL CORP39
Top patents by PatentIndex Score
39 records- 0196US5178786ACorrosion-inhibiting compositions and functional fluids containing sameLUBRIZOL CORP·Filed 1989·Granted Jan 12, 1993·103 cites·47 claims
- 0296US4061580AThickened aqueous compositions for well treatmentLUBRIZOL CORP·Filed 1976·Granted Dec 6, 1977·78 cites·10 claims
- 0394US5330662ACompositions containing combinations of surfactants and derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the sameLUBRIZOL CORP·Filed 1992·Granted Jul 19, 1994·147 cites·51 claims
- 0494US5260268AMethods of drilling well boreholes and compositions used thereinLUBRIZOL CORP·Filed 1993·Granted Nov 9, 1993·99 cites·28 claims
- 0593US4533481APolycarboxylic acid/boric acid/amine salts and aqueous systems containing sameLUBRIZOL CORP·Filed 1983·Granted Aug 6, 1985·48 cites·19 claims
- 0690US4021333AMethod of rerefining oil by distillation and extractionLUBRIZOL CORP·Filed 1975·Granted May 3, 1977·56 cites·15 claims
- 0789US5707940AEnvironmentally friendly water based drilling fluidsLUBRIZOL CORP·Filed 1995·Granted Jan 13, 1998·95 cites·41 claims
- 0887US5620946ACompositions containing combinations of surfactants and derivatives of succininc acylating agent or hydroxyaromatic compounds and methods of using the sameLUBRIZOL CORP·Filed 1994·Granted Apr 15, 1997·79 cites·51 claims
- 0984US5360458AOil-water emulsionsLUBRIZOL CORP·Filed 1991·Granted Nov 1, 1994·44 cites·41 claims
- 1083US4118331AMethod for working metal and lubricants for use thereinLUBRIZOL CORP·Filed 1977·Granted Oct 3, 1978·28 cites·44 claims
- 1181US5518517AWater-in-oil emulsion fertilizer compositionsLUBRIZOL CORP·Filed 1994·Granted May 21, 1996·34 cites·95 claims
- 1279US5407500ASalt compositions and explosives using sameLUBRIZOL CORP·Filed 1993·Granted Apr 18, 1995·30 cites·48 claims
- 1379US4661275AWater-based functional fluid thickening combinations of surfactants and hydrocarbyl-substituted succinic acid and/or anhydride/amine terminated poly(oxyalkylene) reaction productsLUBRIZOL CORP·Filed 1985·Granted Apr 28, 1987·28 cites·55 claims
- 1478US5920031AWater-in-oil emulsionsLUBRIZOL CORP·Filed 1997·Granted Jul 6, 1999·33 cites·40 claims
- 1577US5858055AWater-in-oil emulsion fertilizer compositionsLUBRIZOL CORP·Filed 1997·Granted Jan 12, 1999·31 cites·12 claims
- 1677US4116872AHot melt metal working lubricantsLUBRIZOL CORP·Filed 1977·Granted Sep 26, 1978·21 cites·33 claims
- 1774US4618539ACorrosion-inhibiting compositions, and oil compositions containing said corrosion-inhibiting compositionsLUBRIZOL CORP·Filed 1984·Granted Oct 21, 1986·22 cites·29 claims
- 1874US4191658AHot melt metal working lubricants and methods for their applicationLUBRIZOL CORP·Filed 1978·Granted Mar 4, 1980·19 cites·31 claims
- 1973US4749500AWater-based functional fluid thickening combinations of surfactants and hydrocarbyl-substituted succinic acid and/or anhydride/amine terminated poly(oxyalkylene) reaction productsLUBRIZOL CORP·Filed 1987·Granted Jun 7, 1988·21 cites·55 claims
- 2072US4321308AMetal workpieces coated with ester-based hot melt metal working lubricantsLUBRIZOL CORP·Filed 1979·Granted Mar 23, 1982·17 cites·11 claims
- 2171US5512079AWater-in-oil emulsifiers for slow release fertilizers using tertiary alkanol aminesLUBRIZOL CORP·Filed 1994·Granted Apr 30, 1996·20 cites·18 claims
- 2271US5283235ACompositions containing esters of carboxy-containing interpolymers and methods of using the sameLUBRIZOL CORP·Filed 1992·Granted Feb 1, 1994·25 cites·37 claims
- 2370US4191801AHot melt metal working lubricantsLUBRIZOL CORP·Filed 1978·Granted Mar 4, 1980·16 cites·10 claims
- 2467US4659492AAlkenyl-substituted carboxylic acylating agent/hydroxy terminated polyoxyalkylene reaction products and aqueous systems containing sameLUBRIZOL CORP·Filed 1984·Granted Apr 21, 1987·16 cites·20 claims
- 2566US5637557ACompositions containing derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the sameLUBRIZOL CORP·Filed 1994·Granted Jun 10, 1997·19 cites·15 claims
- 2664US6264399B1Method to remediate soil using a surfactant of a salt of an acrylamidoalkanesulfonic acid-amine reaction productLUBRIZOL CORP·Filed 1999·Granted Jul 24, 2001·24 cites·27 claims
- 2764US6090896ASurfactant-assisted soil remediationLUBRIZOL CORP·Filed 1999·Granted Jul 18, 2000·13 cites·8 claims
- 2864US5336439ASalt compositions and concentrates for use in explosive emulsionsLUBRIZOL CORP·Filed 1991·Granted Aug 9, 1994·15 cites·78 claims
- 2964US4192769ARust inhibitor additive compositions, method of making, and aqueous fluids containing the sameLUBRIZOL CORP·Filed 1978·Granted Mar 11, 1980·9 cites·49 claims
- 3061US4166151ANovel corrosion-inhibiting ester compositionsLUBRIZOL CORP·Filed 1978·Granted Aug 28, 1979·8 cites·22 claims
- 3158US4346148APhosphorus-containing compositions, lubricants containing them and metal workpieces coated with sameLUBRIZOL CORP·Filed 1979·Granted Aug 24, 1982·7 cites·27 claims
- 3258US3961992AMethod of treating metal surfacesLUBRIZOL CORP·Filed 1974·Granted Jun 8, 1976·15 cites·12 claims
- 3357US5928433ASurfactant-assisted soil remediationLUBRIZOL CORP·Filed 1998·Granted Jul 27, 1999·14 cites·27 claims
- 3455US6303795B1Succinimide-based surfactant suitable for soil remediationLUBRIZOL CORP·Filed 2000·Granted Oct 16, 2001·3 cites·7 claims
- 3555US5599777AMethods of using acidizing fluids in wells, and compositions used thereinLUBRIZOL CORP·Filed 1993·Granted Feb 4, 1997·11 cites·29 claims
- 3654US6306816B1Sulfonated alkylamines as degreasers and hydrotropesLUBRIZOL CORP·Filed 2001·Granted Oct 23, 2001·1 cites·17 claims
- 3752US6207637B1Disulfonated alkylamines as degreasers and hydrotropesLUBRIZOL CORP·Filed 1998·Granted Mar 27, 2001·4 cites·27 claims
- 3843US4026856AAdhesives prepared from alkaline reagents and polymers of water-soluble hydroxyalkylated and alkoxyalkylated compositions and the like derived from N-3-oxohydrocarbon-substituted acrylamidesLUBRIZOL CORP·Filed 1972·Granted May 31, 1977·3 cites·6 claims
- 3940US3959333APolymerizable hydroxy-containing esters of amido-substituted sulfonic acidsLUBRIZOL CORP·Filed 1974·Granted May 25, 1976·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →