Inventor · disambiguated record
Jon Lee Howell
Also filed as: HOWELL JON L · HOWELL JON LEE
37 granted patents·11 pending applications·459 citations·filing 1991–2022
97Inventor score
Top patents by PatentIndex Score
48 records- 0197US8097181B2Ascorbic acid, terephthalate and nitromethane stabilizers for fluoroolefinsLECK THOMAS J·Filed 2007·Granted Jan 17, 2012·55 cites·20 claims
- 0296US10550302B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsCHEMOURS CO FC LLC·Filed 2017·Granted Feb 4, 2020·6 cites·20 claims
- 0396US9133381B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsDU PONT·Filed 2013·Granted Sep 15, 2015·12 cites·14 claims
- 0496US8668791B2Ascorbic acid, terephthalate and nitromethane stabilizers for fluoroolefinsLECK THOMAS J·Filed 2011·Granted Mar 11, 2014·23 cites·21 claims
- 0596US8535555B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsFEIRING ANDREW EDWARD·Filed 2007·Granted Sep 17, 2013·76 cites·14 claims
- 0695US9777204B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsCHEMOURS CO FC LLC·Filed 2015·Granted Oct 3, 2017·6 cites·13 claims
- 0795US8663494B2Terpene, terpenoid, and fullerene stabilizers for fluoroolefinsHOWELL JON LEE·Filed 2011·Granted Mar 4, 2014·19 cites·17 claims
- 0895US8101094B2Terpene, terpenoid, and fullerene stabilizers for fluoroolefinsHOWELL JON LEE·Filed 2007·Granted Jan 24, 2012·47 cites·18 claims
- 0992US8529786B2Phosphorus-containing stabilizers for fluoroolefinsLECK THOMAS J·Filed 2007·Granted Sep 10, 2013·24 cites·13 claims
- 1091US8084405B2Composition comprising perfluoropolyetherHOWELL JON LEE·Filed 2010·Granted Dec 27, 2011·9 cites·13 claims
- 1190US9732212B2Aqueous polymerization of fluorinated monomer using a mixture of fluoropolyether acids or saltsCHEMOURS CO FC LLC·Filed 2015·Granted Aug 15, 2017·3 cites·10 claims
- 1290US6184187B1Phosphorus compounds and their use as corrosion inhibitors for perfluoropolyethersDU PONT·Filed 1998·Granted Feb 6, 2001·71 cites·29 claims
- 1389US6653511B2Perfluoropolyether primary bromides and iodidesDU PONT·Filed 2002·Granted Nov 25, 2003·23 cites·12 claims
- 1482US8535556B2Compositions comprising iodotrifluoromethane and stabilizersLECK THOMAS J·Filed 2007·Granted Sep 17, 2013·9 cites·19 claims
- 1579US11851602B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsCHEMOURS CO FC LLC·Filed 2021·Granted Dec 26, 2023·0 cites·17 claims
- 1678US7396948B2Process for fluoro derivative-substituted aryl pnictogens and their oxidesDU PONT·Filed 2006·Granted Jul 8, 2008·2 cites·21 claims
- 1776US11130894B2Epoxide and fluorinated epoxide stabilizers for fluoroolefinsCHEMOURS CO FC LLC·Filed 2019·Granted Sep 28, 2021·0 cites·18 claims
- 1873US6559108B1Perfluoropolyether compounds as magnetic media lubricantsDU PONT·Filed 2000·Granted May 6, 2003·16 cites·19 claims
- 1973US6528457B2Composition comprising halogenated oilDU PONT·Filed 2001·Granted Mar 4, 2003·15 cites·18 claims
- 2072US7285673B2Process for fluoro derivative-substituted aryl pnictogens and their oxidesDU PONT·Filed 2005·Granted Oct 23, 2007·1 cites·21 claims
- 2172US6828284B2Flourinated compositions comprising phosphorusDU PONT·Filed 2001·Granted Dec 7, 2004·12 cites·45 claims
- 2272US6753301B2Thermally stable perfluoropolyethers and processes therefor and therewithDU PONT·Filed 2001·Granted Jun 22, 2004·13 cites·31 claims
- 2365US7572942B2Synthesis of carbon-labeled perfluoroalkyl compoundsDU PONT·Filed 2007·Granted Aug 11, 2009·0 cites·2 claims
- 2463US2013217849A1Aqueous polymerization of fluorinated monomer using a mixture of fluoropolyether acids or saltsDU PONT·Filed 2013·Application pending·0 cites
- 2562US10087393B2Recovery of perfluorinated polyether oils from grease matrices incorporating extraction aids by carbon dioxide extractionCHEMOURS CO FC LLC·Filed 2014·Granted Oct 2, 2018·0 cites·20 claims
- 2662US7838475B2Composition comprising perfluoropolyetherDU PONT·Filed 2005·Granted Nov 23, 2010·1 cites·23 claims
- 2761US10093880B2Perfluoropolyether extraction processesCHEMOURS CO FC LLC·Filed 2014·Granted Oct 9, 2018·0 cites·17 claims
- 2861US8372486B2Lubricated metal articleDU PONT·Filed 2007·Granted Feb 12, 2013·0 cites·17 claims
- 2961US2012004365A1Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or SaltsBROTHERS PAUL DOUGLAS·Filed 2011·Application pending·0 cites
- 3061US2009281241A1Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or SaltsDU PONT·Filed 2009·Application pending·0 cites
- 3160US7420074B2Process for fluoro derivative-substituted aryl pnictogens and their oxidesDU PONT·Filed 2006·Granted Sep 2, 2008·0 cites·21 claims
- 3258US8044006B2Composition comprising perfluoropolyetherDU PONT·Filed 2010·Granted Oct 25, 2011·0 cites·22 claims
- 3358US2008033215A1Insulated perfluoropolyether alkyl alcoholsFRIESEN CHADRON M·Filed 2007·Application pending·0 cites
- 3458US2008033216A1Insulated perfluoropolyether alkyl alcoholsFRIESEN CHADRON M·Filed 2007·Application pending·0 cites
- 3557US7232932B2Thermally stable perfluoropolyethers and processes therefor and therewithDU PONT·Filed 2004·Granted Jun 19, 2007·4 cites·25 claims
- 3656US2023174713A1Copolymers of tetrafluoroethyene oxide and hexafluoropropylene oxide useful as lubricantsCHEMOURS CO FC LLC·Filed 2021·Application pending·0 cites
- 3754US2016068731A1Methods and apparatus using refrigerant compositions comprising refrigerant and lubricant comprising perfluoropolyether and non-fluorinated lubricantCHEMOURS CO FC LLC·Filed 2014·Application pending·0 cites
- 3853US7340834B1Method of lubricating bearingsDU PONT·Filed 2004·Granted Mar 11, 2008·1 cites·16 claims
- 3953US2006287559A1Insulated perfluoropolyether alkyl alcoholsFRIESEN CHADRON M·Filed 2005·Application pending·0 cites
- 4050US9725456B2Quarternary ammonium perfluoroalkoxy salts for preparation of perfluoropolyethersCHEMOURS CO FC LLC·Filed 2014·Granted Aug 8, 2017·0 cites·5 claims
- 4150US2025002804A1Lubrication greases including copolymers of tetrafluoroethyene oxide and hexafluoropropylene oxideCHEMOURS CO FC LLC·Filed 2022·Application pending·0 cites
- 4249US7351870B2Synthesis of carbon-labeled perfluoroalkyl compoundsDU PONT·Filed 2004·Granted Apr 1, 2008·0 cites·25 claims
- 4347US7148385B2Perfluoropolyether primary bromides and lodidesDU PONT·Filed 2003·Granted Dec 12, 2006·0 cites·11 claims
- 4446US8895681B2Processes for preparing low molecular weight hexafluoropropylene-olefin cotelomersHOWELL JON LEE·Filed 2006·Granted Nov 25, 2014·0 cites·10 claims
- 4546US7544646B2Method for lubricating a sootblowerBAND THOMAS MICHAEL·Filed 2005·Granted Jun 9, 2009·2 cites·30 claims
- 4646US5100639AProcess for purifying hydrogen fluorideDU PONT·Filed 1991·Granted Mar 31, 1992·9 cites·20 claims
- 4738US2004266985A1Nitrogenated perfluoropolyether compositionFiled 2004·Application pending·0 cites
- 4833US2003013922A1Perfluoropolyether primary bromides and iodidesFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →