Inventor
LIU CHRISTOPHER S
US25 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHRISTOPHER S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXACO INC
24 patentsUS5075383ADec 24, 1991
Dispersant and antioxidant additive and lubricating oil composition containing same
TEXACO INC207 citations99
US4904404AFeb 27, 1990
Lubricating oil containing viscosity index improver
TEXACO INC28 citations92
US4812261AMar 14, 1989
Lubricating oil containing viscosity index improver
TEXACO INC24 citations92
US4715975ADec 29, 1987
Oil containing dispersant VII olefin copolymer
TEXACO INC25 citations92
US4668412AMay 26, 1987
Lubricating oil containing dispersant VII and pour depressant
TEXACO INC41 citations92
US4640788AFeb 3, 1987
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC42 citations92
US4780230AOct 25, 1988
Lubricating oil containing a mannich base
TEXACO INC31 citations90
US4732942AMar 22, 1988
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC19 citations78
US4769043ASep 6, 1988
Oil containing dispersant VII olefin copolymer
TEXACO INC13 citations74
US4500440AFeb 19, 1985
Reaction products of glycidyl derivatized polyolefins and 5-aminotetrazoles and lubricating oils containing same
TEXACO INC9 citations74
US4826613AMay 2, 1989
Lubricating oil containing dispersant viscosity index improver
TEXACO INC11 citations73
US4790948ADec 13, 1988
Lubricating oil containing dispersant viscosity index improver
TEXACO INC12 citations73
US4767553AAug 30, 1988
Lubricating oil containing dispersant viscosity index improver
TEXACO INC16 citations73
US4764304AAug 16, 1988
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC13 citations73
US5567211AOct 22, 1996
Motor fuel detergent additives
TEXACO INC10 citations72
US4877834AOct 31, 1989
Lubricating oil containing a Mannich base
TEXACO INC18 citations71
US5445750AAug 29, 1995
Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acid
TEXACO INC6 citations62
US4948524AAug 14, 1990
Dispersant anti-oxidant VI improver and lubricating oil composition containing same
TEXACO INC5 citations62
US4842756AJun 27, 1989
Multifunctional viscosity index improver
TEXACO INC6 citations62
US4836943AJun 6, 1989
Anti-oxidant system
TEXACO INC4 citations62
US4798678AJan 17, 1989
Hydrocarbon containing anti-oxidant system
TEXACO INC4 citations62
US4795577AJan 3, 1989
Lubricating oil containing dispersant viscosity index improver
TEXACO INC4 citations62
US5520829AMay 28, 1996
Lubricating oil containing dispersant viscosity index improver
TEXACO INC0 citations52
US4845157AJul 4, 1989
Diesel fuel compositions containing polyolefin graft polymers
TEXACO INC0 citations41