Inventor · disambiguated record
Nathan Kirk Powell
Also filed as: POWELL NATHAN · POWELL NATHAN K · POWELL NATHAN KIRK
15 granted patents·4 pending applications·66 citations·filing 2002–2014
90Inventor score
Top patents by PatentIndex Score
19 records- 0196US8304587B2Process for producing ethanol using an extractive distillation columnWARNER R JAY·Filed 2010·Granted Nov 6, 2012·20 cites·28 claims
- 0287US8759576B2Processes for purifying acetic anhydrideWARNER R JAY·Filed 2012·Granted Jun 24, 2014·6 cites·28 claims
- 0387US8173076B2Method and apparatus for making acetic acid with improved light ends column productivityPOWELL NATHAN KIRK·Filed 2011·Granted May 8, 2012·14 cites·4 claims
- 0484US9000237B2Ethanol refining process using intermediate reboilerCELANESE INT CORP·Filed 2012·Granted Apr 7, 2015·3 cites·18 claims
- 0582US7989659B2Method and apparatus for making acetic acid with improved light ends column productivityCELANESE INT CORP·Filed 2007·Granted Aug 2, 2011·5 cites·12 claims
- 0680US7612232B2Purification of acetic acid from wood acetylation processCELANESE INT CORP·Filed 2008·Granted Nov 3, 2009·6 cites·29 claims
- 0778US7619113B2Method and apparatus for making acetic acid with improved purificationCELANESE INT CORP·Filed 2007·Granted Nov 17, 2009·8 cites·17 claims
- 0876US8927784B2Process to recover alcohol from an ethyl acetate residue streamLEE DAVID·Filed 2011·Granted Jan 6, 2015·1 cites·18 claims
- 0970US8686200B2Process to recover alcohol from an acidic residue streamLEE DAVID·Filed 2011·Granted Apr 1, 2014·1 cites·29 claims
- 1068US9150478B2Process to recover alcohol from an ethyl acetate residue streamCELANESE INT CORP·Filed 2014·Granted Oct 6, 2015·0 cites·20 claims
- 1167US8884080B2Reduced energy alcohol separation processLEE DAVID·Filed 2011·Granted Nov 11, 2014·1 cites·40 claims
- 1265US8552226B2Process for heat integration for ethanol production and purification processPOWELL NATHAN KIRK·Filed 2011·Granted Oct 8, 2013·1 cites·30 claims
- 1361US9102581B2Process for producing ethanol using an extractive distillation columnCELANESE INT CORP·Filed 2012·Granted Aug 11, 2015·0 cites·20 claims
- 1461US9073814B2Process for heat integration for ethanol production and purification processCELANESE INT CORP·Filed 2013·Granted Jul 7, 2015·0 cites·20 claims
- 1547US8754268B2Process for removing water from alcohol mixturesLEE DAVID·Filed 2011·Granted Jun 17, 2014·0 cites·17 claims
- 1640US2012277483A1Water Control In Alcohol Production From HydrogenationHORTON TRINITY·Filed 2011·Application pending·0 cites
- 1735US2003146081A1Acrylic acid recovery utilizing ethyl acrylate and selected co-solventsFiled 2002·Application pending·0 cites
- 1835US2003150705A1Acrylic acid recovery utilizing ethyl acrylate and selected co-solventsFiled 2002·Application pending·0 cites
- 1929US2012253084A1Vent scrubbers for use in production of ethanolGRUSENDORF GERALD·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Nathan Kirk Powell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →