Inventor · disambiguated record
Hannah Greenfield
Also filed as: GREENFIELD HANNAH
9 granted patents·10 pending applications·0 citations·filing 2011–2021
76Inventor score
Top patents by PatentIndex Score
19 records- 0178US11820957B2Low molecular weight amide/ester containing quaternary ammonium saltsLUBRIZOL CORP·Filed 2021·Granted Nov 21, 2023·0 cites·5 claims
- 0272US10669496B2Diesel detergent without a low molecular weight penaltyLUBRIZOL CORP·Filed 2018·Granted Jun 2, 2020·0 cites·8 claims
- 0372US2019345406A1Low molecular weight amide/ester containing quaternary ammonium saltsLUBRIZOL CORP·Filed 2019·Application pending·0 cites
- 0471US11174444B2Diesel detergent without a low molecular weight penaltyLUBRIZOL CORP·Filed 2020·Granted Nov 16, 2021·0 cites·7 claims
- 0567US10202559B2Diesel detergent without a low molecular weight penaltyLUBRIZOL CORP·Filed 2013·Granted Feb 12, 2019·0 cites·9 claims
- 0667US10005978B2Diesel detergent without a low molecular weight penaltyLUBRIZOL CORP·Filed 2013·Granted Jun 26, 2018·0 cites·11 claims
- 0759US2017121628A1Low molecular weight amide/ester containing quaternary ammonium saltsLUBRIZOL CORP·Filed 2015·Application pending·0 cites
- 0850US9574148B2Fuel additive containing a dispersion of iron particles and an ammonium polyester detergentD'ALENCON LAURIANE·Filed 2011·Granted Feb 21, 2017·0 cites·26 claims
- 0948US12104133B2Fuel additives and formulations for improving performance of gasoline direct injection enginesLUBRIZOL CORP·Filed 2021·Granted Oct 1, 2024·0 cites·10 claims
- 1048US2014107003A1Lubricating Composition Containing a DispersantGIESELMAN MATTHEW D·Filed 2012·Application pending·0 cites
- 1146US9920221B2Hydrogenated natural oils in rust preventative coatingsLUBRIZOL CORP·Filed 2014·Granted Mar 20, 2018·0 cites·20 claims
- 1246US2018355267A1Ultra-low molecular weight amide/ester containing quaternary ammonium salts having short hydrocarbon tailsLUBRIZOL CORP·Filed 2016·Application pending·0 cites
- 1345US2014114019A1Polyester Quaternary Salt and Compositions ThereofLUBRIZOL CORP·Filed 2012·Application pending·0 cites
- 1445US2013239468A1Polyester Quaternary Ammonium SaltsGREENFIELD HANNAH·Filed 2011·Application pending·0 cites
- 1545US2016046855A1Asphaltene InhibitionLUBRIZOL CORP·Filed 2014·Application pending·0 cites
- 1644US10144835B2Oxidized alpha-olefins in rust preventive coatingsLUBRIZOL CORP·Filed 2015·Granted Dec 4, 2018·0 cites·15 claims
- 1742US2017096610A1High molecular weight amide/ester containing quaternary ammonium saltsLUBRIZOL CORP·Filed 2015·Application pending·0 cites
- 1842US2017107441A1Epoxide quaternized quaternary ammonium saltsLUBRIZOL CORP·Filed 2015·Application pending·0 cites
- 1940US2017107438A1High molecular weight imide containing quaternary ammonium saltsLUBRIZOL CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →