Inventor · disambiguated record
Christopher L. Friend
Also filed as: FRIEND CHRISTOPHER · FRIEND CHRISTOPHER L
19 granted patents·13 pending applications·153 citations·filing 2003–2018
92Inventor score
Top patents by PatentIndex Score
32 records- 0197US7790661B2Dispersant viscosity modifiers containing aromatic aminesLUBRIZOL CORP·Filed 2005·Granted Sep 7, 2010·109 cites·23 claims
- 0295US7960320B2Dispersant viscosity modifiers containing aromatic aminesLUBRIZOL CORP·Filed 2010·Granted Jun 14, 2011·12 cites·20 claims
- 0390US8765650B2Ashless or reduced ash quaternary detergentsDELBRIDGE EWAN E·Filed 2010·Granted Jul 1, 2014·9 cites·9 claims
- 0489US8637437B2Lubricating composition containing a polymerGIESELMAN MATTHEW D·Filed 2008·Granted Jan 28, 2014·8 cites·10 claims
- 0583US7750089B2Dispersant viscosity modifiers based on diene-containing polymersLUBRIZOL CORP·Filed 2005·Granted Jul 6, 2010·5 cites·23 claims
- 0682US9109184B2Ashless or reduced ash quaternary detergentsLUBRIZOL CORP·Filed 2014·Granted Aug 18, 2015·2 cites·19 claims
- 0776US9193933B2Lubricating composition containing a detergentFRIEND CHRISTOPHER L·Filed 2011·Granted Nov 24, 2015·2 cites·24 claims
- 0875US9469824B2Ashless or reduced ash quaternary detergentsLUBRIZOL CORP·Filed 2014·Granted Oct 18, 2016·1 cites·10 claims
- 0974US10704006B2Lubricating composition containing an antiwear agentLUBRIZOL CORP·Filed 2018·Granted Jul 7, 2020·0 cites·17 claims
- 1071US10407641B2Ashless or reduced ash quaternary detergentsLUBRIZOL CORP·Filed 2018·Granted Sep 10, 2019·0 cites·20 claims
- 1169US8168574B2Dispersant viscosity modifiers based on maleic anhydride-styrene copolymersVISGER DANIEL·Filed 2005·Granted May 1, 2012·3 cites·19 claims
- 1267US9771541B2Lubricating composition containing an ashless TBN boosterLUBRIZOL CORP·Filed 2013·Granted Sep 26, 2017·1 cites·8 claims
- 1365US10059900B2Aminobenzoic acid derivativesLUBRIZOL CORP·Filed 2017·Granted Aug 28, 2018·0 cites·10 claims
- 1465US9890347B2Ashless or reduced ash quaternary detergentsLUBRIZOL CORP·Filed 2016·Granted Feb 13, 2018·0 cites·11 claims
- 1561US8703672B2Highly branched sulfonates for drive-line applicationsTIPTON CRAIG D·Filed 2008·Granted Apr 22, 2014·1 cites·8 claims
- 1658US2016264904A1Overbased alkylated arylalkyl sulfonatesLUBRIZOL CORP·Filed 2016·Application pending·0 cites
- 1755US2013281336A1Aminobenzoic Acid DerivativesIVANCIC DANIELLE N·Filed 2011·Application pending·0 cites
- 1855US2011059881A1Sulphur Free Composition And Lubricant Composition And Methods ThereofLUBRIZOL CORP·Filed 2010·Application pending·0 cites
- 1954US10077413B2Lubricating composition containing a detergentLUBRIZOL CORP·Filed 2014·Granted Sep 18, 2018·0 cites·16 claims
- 2052US2014057818A1Lubricating Composition Containing an Antiwear AgentBARTON WILLIAM R S·Filed 2011·Application pending·0 cites
- 2150US2013203639A1Overbased Alkylated Arylalkyl SulfonatesROSKI JAMES P·Filed 2011·Application pending·0 cites
- 2249US10041018B2Lubricating compositionLUBRIZOL CORP·Filed 2014·Granted Aug 7, 2018·0 cites·8 claims
- 2347US9745326B2Bridged alkaline earth metal alkylphenatesLUBRIZOL CORP·Filed 2014·Granted Aug 29, 2017·0 cites·16 claims
- 2447US2015024983A1Manual transmission lubricants with improved synchromesh performanceLUBRIZOL CORP·Filed 2013·Application pending·0 cites
- 2547US2015099676A1Manual transmission lubricants with improved synchromesh performanceLUBRIZOL CORP·Filed 2013·Application pending·0 cites
- 2647US2015315510A1Process for producing an overbased metal detergentLUBRIZOL CORP·Filed 2013·Application pending·0 cites
- 2745US2007027046A1Novel DispersantsLUBRIZOL CORP·Filed 2006·Application pending·0 cites
- 2845US2006247140A1Sulphur free composition and lubricant composition and methods thereofCRESSEY DAVID·Filed 2004·Application pending·0 cites
- 2944US9617496B2Method for preparing a sulfurized alkaline earth metal dodecylphenateLUBRIZOL CORP·Filed 2013·Granted Apr 11, 2017·0 cites·14 claims
- 3044US2014228265A1Bridged Alkylphenol CompoundsLUBRIZOL CORP·Filed 2012·Application pending·0 cites
- 3142US2005148477A1Lubricating composition substantially free of ZDDPLUBRIZOL CORP·Filed 2004·Application pending·0 cites
- 3238US2004198615A1Di-secondary alkyl hindered phenol antioxidantsLUBRIZOL CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →