Inventor
JAHNKE RICHARD W
US32 patents
Patents
32 patentsUS5707940AJan 13, 1998
Environmentally friendly water based drilling fluids
LUBRIZOL CORP95 citations98
US5330662AJul 19, 1994
Compositions containing combinations of surfactants and derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the same
LUBRIZOL CORP147 citations96
US5260268ANov 9, 1993
Methods of drilling well boreholes and compositions used therein
LUBRIZOL CORP99 citations96
US5620946AApr 15, 1997
Compositions containing combinations of surfactants and derivatives of succininc acylating agent or hydroxyaromatic compounds and methods of using the same
LUBRIZOL CORP79 citations95
US5178786AJan 12, 1993
Corrosion-inhibiting compositions and functional fluids containing same
LUBRIZOL CORP103 citations94
US5637557AJun 10, 1997
Compositions containing derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the same
LUBRIZOL CORP19 citations93
US5360458ANov 1, 1994
Oil-water emulsions
LUBRIZOL CORP44 citations93
US4661275AApr 28, 1987
Water-based functional fluid thickening combinations of surfactants and hydrocarbyl-substituted succinic acid and/or anhydride/amine terminated poly(oxyalkylene) reaction products
LUBRIZOL CORP28 citations93
US6264399B1Jul 24, 2001
Method to remediate soil using a surfactant of a salt of an acrylamidoalkanesulfonic acid-amine reaction product
LUBRIZOL CORP24 citations92
US5920031AJul 6, 1999
Water-in-oil emulsions
LUBRIZOL CORP33 citations92
US5858055AJan 12, 1999
Water-in-oil emulsion fertilizer compositions
LUBRIZOL CORP31 citations92
US5518517AMay 21, 1996
Water-in-oil emulsion fertilizer compositions
LUBRIZOL CORP34 citations92
US5512079AApr 30, 1996
Water-in-oil emulsifiers for slow release fertilizers using tertiary alkanol amines
LUBRIZOL CORP20 citations92
US5407500AApr 18, 1995
Salt compositions and explosives using same
LUBRIZOL CORP30 citations92
US4533481AAug 6, 1985
Polycarboxylic acid/boric acid/amine salts and aqueous systems containing same
LUBRIZOL CORP48 citations92
US5283235AFeb 1, 1994
Compositions containing esters of carboxy-containing interpolymers and methods of using the same
LUBRIZOL CORP25 citations91
US5928433AJul 27, 1999
Surfactant-assisted soil remediation
LUBRIZOL CORP14 citations82
US5336439AAug 9, 1994
Salt compositions and concentrates for use in explosive emulsions
LUBRIZOL CORP15 citations82
US4749500AJun 7, 1988
Water-based functional fluid thickening combinations of surfactants and hydrocarbyl-substituted succinic acid and/or anhydride/amine terminated poly(oxyalkylene) reaction products
LUBRIZOL CORP21 citations82
US4191658AMar 4, 1980
Hot melt metal working lubricants and methods for their application
LUBRIZOL CORP19 citations82
US4618539AOct 21, 1986
Corrosion-inhibiting compositions, and oil compositions containing said corrosion-inhibiting compositions
LUBRIZOL CORP22 citations76
US5599777AFeb 4, 1997
Methods of using acidizing fluids in wells, and compositions used therein
LUBRIZOL CORP11 citations74
US4659492AApr 21, 1987
Alkenyl-substituted carboxylic acylating agent/hydroxy terminated polyoxyalkylene reaction products and aqueous systems containing same
LUBRIZOL CORP16 citations74
US4346148AAug 24, 1982
Phosphorus-containing compositions, lubricants containing them and metal workpieces coated with same
LUBRIZOL CORP7 citations74
US4321308AMar 23, 1982
Metal workpieces coated with ester-based hot melt metal working lubricants
LUBRIZOL CORP17 citations74
US4192769AMar 11, 1980
Rust inhibitor additive compositions, method of making, and aqueous fluids containing the same
LUBRIZOL CORP9 citations74
US4191801AMar 4, 1980
Hot melt metal working lubricants
LUBRIZOL CORP16 citations74
US4166151AAug 28, 1979
Novel corrosion-inhibiting ester compositions
LUBRIZOL CORP8 citations74
US6090896AJul 18, 2000
Surfactant-assisted soil remediation
LUBRIZOL CORP13 citations73
US6303795B1Oct 16, 2001
Succinimide-based surfactant suitable for soil remediation
LUBRIZOL CORP3 citations62
US6207637B1Mar 27, 2001
Disulfonated alkylamines as degreasers and hydrotropes
LUBRIZOL CORP4 citations59
US6306816B1Oct 23, 2001
Sulfonated alkylamines as degreasers and hydrotropes
LUBRIZOL CORP1 citations48