Inventor
BRYANT CHARLES P
US23 patents
Patents
23 patentsUS4454059AJun 12, 1984
Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants
LUBRIZOL CORP279 citations97
US6124249ASep 26, 2000
Viscosity improvers for lubricating oil compositions
LUBRIZOL CORP74 citations94
US6881780B2Apr 19, 2005
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP29 citations92
US6331603B1Dec 18, 2001
Nitrogen containing acrylic copolymers
LUBRIZOL CORP19 citations92
US5595680AJan 21, 1997
Electrorheological fluids containing polyanilines
LUBRIZOL CORP27 citations92
US5336423AAug 9, 1994
Polymeric salts as dispersed particles in electrorheological fluids
LUBRIZOL CORP31 citations92
US4284414AAug 18, 1981
Mixed alkyl esters of interpolymers for use in crude oils
LUBRIZOL CORP31 citations92
US6271184B1Aug 7, 2001
Viscosity improvers for lubricating oil-compositions
LUBRIZOL CORP35 citations91
US4273891AJun 16, 1981
Hydrocarbon-substituted methylol phenols
LUBRIZOL CORP30 citations91
US4846985AJul 11, 1989
Antioxidant compositions
LUBRIZOL CORP31 citations90
US5969068AOct 19, 1999
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP14 citations81
US4604221AAug 5, 1986
Nitrogen-containing esters and lubricants containing them
LUBRIZOL CORP21 citations79
US4285824AAug 25, 1981
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
LUBRIZOL CORP14 citations74
US4205960AJun 3, 1980
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
LUBRIZOL CORP16 citations74
US6639034B2Oct 28, 2003
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP11 citations73
US6294628B1Sep 25, 2001
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP9 citations73
US5821313AOct 13, 1998
Dispersant-viscosity improvers for lubricating oil compositions
LUBRIZOL CORP11 citations73
US5470498ANov 28, 1995
Polymeric salts as dispersed particles in electrorheological fluids
LUBRIZOL CORP12 citations73
US5435932AJul 25, 1995
Electrorheological fluids containing eletronically conductive polymers
LUBRIZOL CORP9 citations73
US4343740AAug 10, 1982
Hydroxylalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
LUBRIZOL CORP3 citations63
US4163730AAug 7, 1979
Hydroxyalkyl hydroxy-aromatic condensation products as lubricant additives
LUBRIZOL CORP3 citations63
US5437806AAug 1, 1995
Electrorheological fluids containing polyanilines
LUBRIZOL CORP6 citations62
US4186139AJan 29, 1980
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
LUBRIZOL CORP1 citations52