P

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 patents
US7727943B2Jun 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 patent

DISHONG DENNIS M

1 patent

Showing the top 50 of 63 patents by PatentIndex Score.