Inventor · disambiguated record
David Lee
Also filed as: LEE DAVID · LEE DAVID S C
57 granted patents·6 pending applications·20 citations·filing 2011–2023
96Inventor score
Top patents by PatentIndex Score
63 records- 0183US9000235B2Extractive distillation of crude alcohol productCELANESE INT CORP·Filed 2014·Granted Apr 7, 2015·2 cites·20 claims
- 0282US8927783B2Recovering ethanol with sidestreams to regulate C3+ alcohols concentrationsHORTON TRINITY·Filed 2011·Granted Jan 6, 2015·2 cites·10 claims
- 0381US8809597B2Separation of vapor crude alcohol productLEE DAVID·Filed 2011·Granted Aug 19, 2014·2 cites·18 claims
- 0480US8877987B2Process for producing anhydrous ethanol using extractive distillation columnJOHNSTON VICTOR J·Filed 2011·Granted Nov 4, 2014·2 cites·18 claims
- 0580US8710279B2Hydrogenolysis of ethyl acetate in alcohol separation processesWARNER R JAY·Filed 2011·Granted Apr 29, 2014·2 cites·36 claims
- 0680US8536384B2Recovering ethanol sidedraw by separating crude product from hydrogenation processJOHNSTON VICTOR J·Filed 2012·Granted Sep 17, 2013·2 cites·23 claims
- 0778US11731929B2Methods and systems of monitoring flammability of various streams during vinyl acetate productionCELANESE INT CORP·Filed 2020·Granted Aug 22, 2023·1 cites·28 claims
- 0878US9000233B2Process to recover alcohol with secondary reactors for hydrolysis of acetalLEE DAVID·Filed 2012·Granted Apr 7, 2015·2 cites·20 claims
- 0976US8927784B2Process to recover alcohol from an ethyl acetate residue streamLEE DAVID·Filed 2011·Granted Jan 6, 2015·1 cites·18 claims
- 1075US8927788B2Process to recover alcohol with reduced water from overhead of acid columnLEE DAVID·Filed 2012·Granted Jan 6, 2015·1 cites·20 claims
- 1172US8829250B2Finishing reactor for purifying ethanolSARAGER LINCOLN·Filed 2011·Granted Sep 9, 2014·1 cites·19 claims
- 1271US12325686B2Methods and systems of monitoring flammability of various streams during vinyl acetate productionCELANESE INT CORP·Filed 2023·Granted Jun 10, 2025·0 cites·20 claims
- 1370US8686200B2Process to recover alcohol from an acidic residue streamLEE DAVID·Filed 2011·Granted Apr 1, 2014·1 cites·29 claims
- 1468US9150478B2Process to recover alcohol from an ethyl acetate residue streamCELANESE INT CORP·Filed 2014·Granted Oct 6, 2015·0 cites·20 claims
- 1567US8884080B2Reduced energy alcohol separation processLEE DAVID·Filed 2011·Granted Nov 11, 2014·1 cites·40 claims
- 1666US9156754B2Process to recover alcohol with reduced water from overhead of acid columnCELANESE INT CORP·Filed 2014·Granted Oct 13, 2015·0 cites·20 claims
- 1764US8748674B2Separation process having an alcohol sidestreamCELANESE INT CORP·Filed 2013·Granted Jun 10, 2014·0 cites·20 claims
- 1861US2015031924A1Recovering Ethanol with Sidestreams to Regulate C3+ Alcohols ConcentrationsCELANESE INT CORP·Filed 2014·Application pending·0 cites
- 1959US8461399B2Separation process having an alcohol sidestreamLEE DAVID·Filed 2011·Granted Jun 11, 2013·0 cites·18 claims
- 2058US8748675B2Extractive distillation of crude alcohol productLEE DAVID·Filed 2011·Granted Jun 10, 2014·0 cites·21 claims
- 2157US9272970B2Hydrogenolysis of ethyl acetate in alcohol separation processesWARNER R JAY·Filed 2011·Granted Mar 1, 2016·0 cites·8 claims
- 2257US2023202956A1Process for acetic acid production by removing permanganate reducing compoundsCELANESE INT CORP·Filed 2021·Application pending·0 cites
- 2356US9150474B2Reduction of acid within column through esterification during the production of alcoholsZHOU ZHENHUA·Filed 2012·Granted Oct 6, 2015·0 cites·13 claims
- 2454US8853470B2Esterifying an ethanol and acetic acid mixture to produce an ester feed for hydrogenolysisCELANESE INT CORP·Filed 2012·Granted Oct 7, 2014·0 cites·20 claims
- 2554US8575405B2Reducing acetals during ethanol separation processLEE DAVID·Filed 2011·Granted Nov 5, 2013·0 cites·21 claims
- 2653US9051235B2Process for producing ethanol using a molar excess of hydrogenJEVTIC RADMILA·Filed 2012·Granted Jun 9, 2015·0 cites·16 claims
- 2753US9024082B2Using a dilute acid stream as an extractive agentWARNER R JAY·Filed 2012·Granted May 5, 2015·0 cites·20 claims
- 2853US8846987B2Ethanol separation process having stripping section for reducing acetalsLEE DAVID·Filed 2011·Granted Sep 30, 2014·0 cites·21 claims
- 2951US8927780B2Process for removing aldehydes from ethanol reaction mixtureLEE DAVID·Filed 2011·Granted Jan 6, 2015·0 cites·16 claims
- 3051US8907139B2Process for acetal removal in the purification of a crude ethanol productCELANESE INT CORP·Filed 2012·Granted Dec 9, 2014·0 cites·15 claims
- 3151US8704013B2Integrated process for producing ethanolJEVTIC RADMILA·Filed 2011·Granted Apr 22, 2014·0 cites·17 claims
- 3250US9000232B2Extractive distillation of crude alcohol productWARNER R JAY·Filed 2012·Granted Apr 7, 2015·0 cites·21 claims
- 3350US8932372B2Integrated process for producing alcohols from a mixed acid feedJOHNSTON VICTOR·Filed 2011·Granted Jan 13, 2015·0 cites·42 claims
- 3450US8907143B2Process for producing ethanol by hydrogenating mixed feeds comprising waterWOLLRAB RADMILA·Filed 2012·Granted Dec 9, 2014·0 cites·17 claims
- 3550US8704012B2Distillation of crude alcohol product using entrainerLEE DAVID·Filed 2011·Granted Apr 22, 2014·0 cites·21 claims
- 3650US8686199B2Process for reducing the concentration of acetic acid in a crude alcohol productWARNER R JAY·Filed 2011·Granted Apr 1, 2014·0 cites·26 claims
- 3750US8558034B2Reducing acetals during ethanol separation process using high pressure distillation columnLEE DAVID·Filed 2011·Granted Oct 15, 2013·0 cites·20 claims
- 3849US9126125B2Reduced energy alcohol separation process having water removalJOHNSTON VICTOR J·Filed 2012·Granted Sep 8, 2015·0 cites·22 claims
- 3949US9073816B2Reducing ethyl acetate concentration in recycle streams for ethanol production processesWARNER R JAY·Filed 2011·Granted Jul 7, 2015·0 cites·30 claims
- 4049US9024083B2Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feedZHOU ZHENHUA·Filed 2012·Granted May 5, 2015·0 cites·23 claims
- 4149US9024084B2Reduced energy alcohol separation process having controlled pressureLEE DAVID·Filed 2012·Granted May 5, 2015·0 cites·31 claims
- 4249US8907142B2Process for promoting catalyst activity for ethyl acetate conversionWOLLRAB RADMILA·Filed 2012·Granted Dec 9, 2014·0 cites·19 claims
- 4349US8846986B2Water separation from crude alcohol productLEE DAVID·Filed 2011·Granted Sep 30, 2014·0 cites·20 claims
- 4449US8802902B2Pressure driven distillation for ethanol production and recovery from hydrogenation processWARNER R JAY·Filed 2012·Granted Aug 12, 2014·0 cites·18 claims
- 4549US8710280B2Weak acid recovery system for ethanol separation processesWARNER R JAY·Filed 2011·Granted Apr 29, 2014·0 cites·25 claims
- 4648US9353034B2Hydrogenation process with reduced residence time for vapor phase reactantsJEVTIC RADMILA·Filed 2012·Granted May 31, 2016·0 cites·15 claims
- 4748US8933278B2Process for producing ethanol and reducing acetic acid concentrationLEE DAVID·Filed 2012·Granted Jan 13, 2015·0 cites·20 claims
- 4848US8884081B2Integrated process for producing acetic acid and alcoholWARNER R JAY·Filed 2011·Granted Nov 11, 2014·0 cites·18 claims
- 4948US8853469B2Combined column for separating products of different hydrogenation reactorsCELANESE INT CORP·Filed 2012·Granted Oct 7, 2014·0 cites·20 claims
- 5048US8614359B2Integrated acid and alcohol production processLEE DAVID·Filed 2011·Granted Dec 24, 2013·0 cites·24 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →