Inventor
LANGE RICHARD M
US63 patents
⚠️ This page may combine multiple inventors who share the name “LANGE RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUBRIZOL CORP
48 patentsUS7727943B2Jun 1, 2010
Titanium compounds and complexes as additives in lubricants
LUBRIZOL CORP124 citations99
US6544935B1Apr 8, 2003
Nitrogen-containing esterified carboxy-containing interpolymers having enhanced oxidative stability and lubricants containing them
LUBRIZOL CORP57 citations96
US5458793AOct 17, 1995
Compositions useful as additives for lubricants and liquid fuels
LUBRIZOL CORP76 citations96
US5336278AAug 9, 1994
Fuel composition containing an aromatic amide detergent
LUBRIZOL CORP91 citations96
US4320021AMar 16, 1982
Amino phenols useful as additives for fuels and lubricants
LUBRIZOL CORP74 citations96
US6531547B1Mar 11, 2003
Vinyl aromatic-(vinyl aromatic-co-acrylic) block copolymers prepared by stabilized free radical polymerization
LUBRIZOL CORP66 citations95
US5256752AOct 26, 1993
Nitrogen-free ester of carboxy containing interpolymers
LUBRIZOL CORP66 citations95
US5540851AJul 30, 1996
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP20 citations93
US4839068AJun 13, 1989
Polysuccinate esters and lubricating compositions comprising same
LUBRIZOL CORP24 citations93
US4386939AJun 7, 1983
Reaction products of certain heterocycles with aminophenols
LUBRIZOL CORP52 citations93
US4379065AApr 5, 1983
Amino phenols in combination with ashless ester dispersants as useful additives for fuels and lubricants
LUBRIZOL CORP35 citations93
US4320020AMar 16, 1982
Alkyl amino phenols and fuels and lubricants containing same
LUBRIZOL CORP40 citations93
US6369162B1Apr 9, 2002
Radial polymers prepared by stabilized free radical polymerization
LUBRIZOL CORP36 citations92
US6265360B1Jul 24, 2001
Compositions containing wax modifiers
LUBRIZOL CORP20 citations92
US6111025AAug 29, 2000
Block copolymer surfactants prepared by stabilized free-radical polymerization
LUBRIZOL CORP32 citations92
US5912189AJun 15, 1999
Compositions containing reaction product of a cyclic compound containing both a nitrogen atom and a carbonyl group, an aldehyde or ketone, and an etheramine
LUBRIZOL CORP26 citations92
US5827805AOct 27, 1998
Condensates of alkyl phenols and glyoxal and products derived therefrom
LUBRIZOL CORP38 citations92
US5512192AApr 30, 1996
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP22 citations92
US5407500AApr 18, 1995
Salt compositions and explosives using same
LUBRIZOL CORP30 citations92
US5318712AJun 7, 1994
Lubricants, greases, aqueous fluids and concentrates containing additives derived from dimercaptothiadiazoles
LUBRIZOL CORP21 citations92
US5298565AMar 29, 1994
Graft copolymers and lubricants containing such as dispersant-viscosity improvers
LUBRIZOL CORP42 citations92
US4491527AJan 1, 1985
Ester-heterocycle compositions useful as "lead paint" inhibitors in lubricants
LUBRIZOL CORP31 citations92
US5399275AMar 21, 1995
Environmentally friendly viscosity index improving compositions
LUBRIZOL CORP38 citations88
US7044988B2May 16, 2006
Partially dehydrated reaction product, process for making same, and emulsion containing same
LUBRIZOL CORP13 citations84
US6818601B1Nov 16, 2004
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP19 citations84
US6780209B1Aug 24, 2004
Partially dehydrated reaction product process for making same, and emulsion containing same
LUBRIZOL CORP15 citations84
US6403725B1Jun 11, 2002
Metal containing dispersant polymers from condensation of polymers containing acidic group with overbased compositions containing reactive nucleophilic group
LUBRIZOL CORP19 citations84
US7045488B2May 16, 2006
Cylic oligomer traction fluid
LUBRIZOL CORP15 citations83
US6020291AFeb 1, 2000
Branched sulfonate containing copolymers as mist suppressants in soluble oil (water-based) metal working fluids
LUBRIZOL CORP18 citations83
US5747433AMay 5, 1998
Oil concentrates of polymers with improved viscosity
LUBRIZOL CORP18 citations83
US5336439AAug 9, 1994
Salt compositions and concentrates for use in explosive emulsions
LUBRIZOL CORP15 citations82
US6472353B1Oct 29, 2002
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP17 citations80
US6117941ASep 12, 2000
Intermediates useful for preparing dispersant-viscosity improvers for lubricating oils
LUBRIZOL CORP9 citations74
US5811378ASep 22, 1998
Metal containing dispersant-viscosity improvers for lubricating oils
LUBRIZOL CORP16 citations74
US5538651AJul 23, 1996
Additive to improve fluidity of oil solutions of sheared polymers
LUBRIZOL CORP9 citations74
US5405546AApr 11, 1995
Phosphorus-containing compositions for refrigeration systems
LUBRIZOL CORP8 citations74
US5302305AApr 12, 1994
Carboxylic esters, liquid compositions containing said carboxylic esters and methods of lubricating metal parts
LUBRIZOL CORP8 citations74
US4909952AMar 20, 1990
Sulfur-containing polymeric polyesters and additive concentrates and lubricating oils containing same
LUBRIZOL CORP11 citations74
US4707301ANov 17, 1987
Norbornyl dimer ester and polyester additives for lubricants and fuels
LUBRIZOL CORP7 citations74
US6677282B2Jan 13, 2004
Dispersant-viscosity improvers for lubricating oil and fuels
LUBRIZOL CORP10 citations73
US6486101B2Nov 26, 2002
Nitrogen containing dispersant-viscosity improvers
LUBRIZOL CORP8 citations73
US6265358B1Jul 24, 2001
Nitrogen containing dispersant-viscosity improvers
LUBRIZOL CORP11 citations73
US6258761B1Jul 10, 2001
Lubricating oil additives
LUBRIZOL CORP12 citations73
US5629448AMay 13, 1997
Alcohol modified process for preparing bis-substituted phenolic amides
LUBRIZOL CORP3 citations63
US5560755AOct 1, 1996
Compositions useful as additives for lubricants and liquid fuels
LUBRIZOL CORP3 citations63
US5371130ADec 6, 1994
Polymer compositions of improved compatibility in oil
LUBRIZOL CORP4 citations63
US5164122ANov 17, 1992
Thermal oxidatively stable synthetic fluid composition
LUBRIZOL CORP6 citations63
US7034079B2Apr 25, 2006
Radial polymers prepared by stabilized free radical polymerization
LUBRIZOL CORP6 citations62
PROCTER & GAMBLE
1 patentDISHONG DENNIS M
1 patentShowing the top 50 of 63 patents by PatentIndex Score.