Inventor · disambiguated record
Christopher S. Liu
Also filed as: LIU CHRISTOPHER S · LIU CHRISTOPHER SOUNDANG
25 granted patents·766 citations·filing 1984–1995
97Inventor score
Top patents by PatentIndex Score
25 records- 0199US5075383ADispersant and antioxidant additive and lubricating oil composition containing sameTEXACO INC·Filed 1990·Granted Dec 24, 1991·207 cites·16 claims
- 0294US6117825APolyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositionsETHYL CORP·Filed 1992·Granted Sep 12, 2000·218 cites·23 claims
- 0387US4668412ALubricating oil containing dispersant VII and pour depressantTEXACO INC·Filed 1985·Granted May 26, 1987·41 cites·37 claims
- 0485US4640788AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1985·Granted Feb 3, 1987·42 cites·45 claims
- 0583US4715975AOil containing dispersant VII olefin copolymerTEXACO INC·Filed 1984·Granted Dec 29, 1987·25 cites·12 claims
- 0678US4904404ALubricating oil containing viscosity index improverTEXACO INC·Filed 1989·Granted Feb 27, 1990·28 cites·27 claims
- 0778US4780230ALubricating oil containing a mannich baseTEXACO INC·Filed 1987·Granted Oct 25, 1988·31 cites·14 claims
- 0876US4812261ALubricating oil containing viscosity index improverTEXACO INC·Filed 1987·Granted Mar 14, 1989·24 cites·40 claims
- 0968US4767553ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1986·Granted Aug 30, 1988·16 cites·8 claims
- 1065US4732942AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1986·Granted Mar 22, 1988·19 cites·24 claims
- 1164US4877834ALubricating oil containing a Mannich baseTEXACO INC·Filed 1988·Granted Oct 31, 1989·18 cites·25 claims
- 1261US4790948ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1986·Granted Dec 13, 1988·12 cites·37 claims
- 1359US4769043AOil containing dispersant VII olefin copolymerTEXACO INC·Filed 1987·Granted Sep 6, 1988·13 cites·12 claims
- 1458US4826613ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1986·Granted May 2, 1989·11 cites·19 claims
- 1557US4764304AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1986·Granted Aug 16, 1988·13 cites·11 claims
- 1652US4500440AReaction products of glycidyl derivatized polyolefins and 5-aminotetrazoles and lubricating oils containing sameTEXACO INC·Filed 1984·Granted Feb 19, 1985·9 cites·8 claims
- 1746US5567211AMotor fuel detergent additivesTEXACO INC·Filed 1995·Granted Oct 22, 1996·10 cites·18 claims
- 1846US4842756AMultifunctional viscosity index improverTEXACO INC·Filed 1987·Granted Jun 27, 1989·6 cites·8 claims
- 1944US4798678AHydrocarbon containing anti-oxidant systemTEXACO INC·Filed 1987·Granted Jan 17, 1989·4 cites·20 claims
- 2043US5445750ALubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acidTEXACO INC·Filed 1993·Granted Aug 29, 1995·6 cites·8 claims
- 2142US4795577ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1986·Granted Jan 3, 1989·4 cites·7 claims
- 2238US4948524ADispersant anti-oxidant VI improver and lubricating oil composition containing sameTEXACO INC·Filed 1989·Granted Aug 14, 1990·5 cites·21 claims
- 2336US4836943AAnti-oxidant systemTEXACO INC·Filed 1987·Granted Jun 6, 1989·4 cites·19 claims
- 2430US5520829ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1995·Granted May 28, 1996·0 cites·23 claims
- 2520US4845157ADiesel fuel compositions containing polyolefin graft polymersTEXACO INC·Filed 1986·Granted Jul 4, 1989·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →