David Lee

Person

Seabrook, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods and systems of monitoring flammability of various streams d...
- Patent number 11,731,929
- Issue date Aug 22, 2023
- Celanese International Corporation
- Steve R. Alexander
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation process with reduced residence time for vapor phase r...
- Patent number 9,353,034
- Issue date May 31, 2016
- Celanese International Corporation
- Radmila Jevtic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenolysis of ethyl acetate in alcohol separation processes
- Patent number 9,272,970
- Issue date Mar 1, 2016
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol with reduced water from overhead of acid...
- Patent number 9,156,754
- Issue date Oct 13, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reduction of acid within column through esterification during the p...
- Patent number 9,150,474
- Issue date Oct 6, 2015
- Celanese International Corporation
- Zhenhua Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol from an ethyl acetate residue stream
- Patent number 9,150,478
- Issue date Oct 6, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reduced energy alcohol separation process having water removal
- Patent number 9,126,125
- Issue date Sep 8, 2015
- Celanese International Corporation
- Victor J. Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reducing ethyl acetate concentration in recycle streams for ethanol...
- Patent number 9,073,816
- Issue date Jul 7, 2015
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol using a molar excess of hydrogen
- Patent number 9,051,235
- Issue date Jun 9, 2015
- Celanese International Corporation
- Radmila Jevtic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reduced energy alcohol separation process having controlled pressure
- Patent number 9,024,084
- Issue date May 5, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of ethanol from an acetic acid feed and...
- Patent number 9,024,083
- Issue date May 5, 2015
- Celanese International Corporation
- Zhenhua Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Using a dilute acid stream as an extractive agent
- Patent number 9,024,082
- Issue date May 5, 2015
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to reduce ethanol recycled to hydrogenation reactor
- Patent number 9,024,085
- Issue date May 5, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extractive distillation of crude alcohol product
- Patent number 9,000,232
- Issue date Apr 7, 2015
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol with secondary reactors for hydrolysis o...
- Patent number 9,000,233
- Issue date Apr 7, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extractive distillation of crude alcohol product
- Patent number 9,000,235
- Issue date Apr 7, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol and reducing acetic acid concentration
- Patent number 8,933,278
- Issue date Jan 13, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for producing alcohols from a mixed acid feed
- Patent number 8,932,372
- Issue date Jan 13, 2015
- Celanese International Corporation
- Victor Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vapor separation in alcohol production
- Patent number 8,927,782
- Issue date Jan 6, 2015
- Celanese International Corporation
- Gerald Grusendorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovering ethanol with sidestreams to regulate C3+ alcohols concen...
- Patent number 8,927,783
- Issue date Jan 6, 2015
- Celanese International Corporation
- Trinity Horton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for controlling a reboiler during alcohol recovery and redu...
- Patent number 8,927,787
- Issue date Jan 6, 2015
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing aldehydes from ethanol reaction mixture
- Patent number 8,927,780
- Issue date Jan 6, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol with reduced water from overhead of acid...
- Patent number 8,927,788
- Issue date Jan 6, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol from an ethyl acetate residue stream
- Patent number 8,927,784
- Issue date Jan 6, 2015
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for acetal removal in the purification of a crude ethanol p...
- Patent number 8,907,139
- Issue date Dec 9, 2014
- Celanese International Corporation
- Victor J. Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol by hydrogenating mixed feeds comprisi...
- Patent number 8,907,143
- Issue date Dec 9, 2014
- Celanese International Corporation
- Radmila Wollrab
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to recover alcohol with secondary reactors for esterificati...
- Patent number 8,907,141
- Issue date Dec 9, 2014
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for promoting catalyst activity for ethyl acetate conversion
- Patent number 8,907,142
- Issue date Dec 9, 2014
- Celanese International Corporation
- Radmila Wollrab
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reduced energy alcohol separation process
- Patent number 8,884,080
- Issue date Nov 11, 2014
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for producing acetic acid and alcohol
- Patent number 8,884,081
- Issue date Nov 11, 2014
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS OF MONITORING FLAMMABILITY OF VARIOUS STREAMS D...
- Publication number 20230312453
- Publication date Oct 5, 2023
- CELANESE INTERNATIONAL CORPORATION
- Steve R. ALEXANDER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS AND SYSTEMS OF MONITORING FLAMMABILITY OF VARIOUS STREAMS D...
- Publication number 20220402852
- Publication date Dec 22, 2022
- CELANESE INTERNATIONAL CORPORATION
- Steve R. ALEXANDER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process to Recover Alcohol with Reduced Water From Overhead of Acid...
- Publication number 20150099905
- Publication date Apr 9, 2015
- CELANESE INTERNATIONAL CORPORATION
- David Lee
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process To Recover Alcohol From An Ethyl Acetate Residue Stream
- Publication number 20150099904
- Publication date Apr 9, 2015
- CELANESE INTERNATIONAL CORPORATION
- David Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Recovering Ethanol with Sidestreams to Regulate C3+ Alcohols Concen...
- Publication number 20150031924
- Publication date Jan 29, 2015
- CELANESE INTERNATIONAL CORPORATION
- Trinity Hale
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Extractive Distillation of Crude Alcohol Product
- Publication number 20140303407
- Publication date Oct 9, 2014
- Celanese International Corporation
- David Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Combined Column for Separating Products of Different Hydrogenation...
- Publication number 20140142351
- Publication date May 22, 2014
- CELANESE INTERNATIONAL CORPORATION
- Victor J. Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Separation Process Having An Alcohol Sidestream
- Publication number 20130245331
- Publication date Sep 19, 2013
- CELANESE INTERNATIONAL CORPORATION
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing Ethanol Using a Molar Excess of Hydrogen
- Publication number 20130204049
- Publication date Aug 8, 2013
- Celanese International Corporation
- Radmila Jevtic
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrogenation Process with Reduced Residence Time for Vapor Phase R...
- Publication number 20130204050
- Publication date Aug 8, 2013
- Celanese International Corporation
- Radmila Jevtic
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Acetal Removal In the Purification of a Crude Ethanol P...
- Publication number 20130184500
- Publication date Jul 18, 2013
- CELANESE INTERNATIONAL CORPORATION
- Victor J. Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRESSURE DRIVEN DISTILLATION FOR ETHANOL PRODUCTION AND RECOVERY FR...
- Publication number 20130172630
- Publication date Jul 4, 2013
- CELANESE INTERNATIONAL CORPORATION
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Promoting Catalyst Activity for Ethyl Acetate Conversion
- Publication number 20130172632
- Publication date Jul 4, 2013
- CELANESE INTERNATIONAL CORPORATION
- Radmila Wollrab
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process For Producing Ethanol By Hydrogenating Mixed Feeds Comprisi...
- Publication number 20130158300
- Publication date Jun 20, 2013
- CELANESE INTERNATIONAL CORPORATION
- Radmila Wollrab
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ESTERIFYING AN ETHANOL AND ACETIC ACID MIXTURE TO PRODUCE AN ESTER...
- Publication number 20130158297
- Publication date Jun 20, 2013
- CELANESE INTERNATIONAL CORPORATION
- Victor J. Johnson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Hydrogenating Acetic Acid to Produce Ethyl Acetate and Reducing Eth...
- Publication number 20130131400
- Publication date May 23, 2013
- CELANESE INTERNATIONAL CORPORATION
- Emily Duff
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Integrated Process For Producing Ethanol
- Publication number 20130116479
- Publication date May 9, 2013
- Celanese International Corporation
- Radmila Jevtic
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Integrated Acid and Alcohol Production Process
- Publication number 20130116476
- Publication date May 9, 2013
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process to Recover Alcohol with Secondary Reactors for Esterificati...
- Publication number 20130109891
- Publication date May 2, 2013
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ETHANOL SEPARATION PROCESS HAVING STRIPPING SECTION FOR REDUCING AC...
- Publication number 20130032466
- Publication date Feb 7, 2013
- Celanese International Corporation
- David LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VAPOR SEPARATION IN ALCOHOL PRODUCTION
- Publication number 20130032467
- Publication date Feb 7, 2013
- Celanese International Corporation
- Gerald Grusendorf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REDUCING ACETALS DURING ETHANOL SEPARATION PROCESS USING HIGH PRESS...
- Publication number 20130035518
- Publication date Feb 7, 2013
- Celanese International Corporation
- David LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REDUCING ACETALS AND/OR ESTERS DURING ETHANOL SEPARATION PROCESS
- Publication number 20130035519
- Publication date Feb 7, 2013
- Celanese International Corporation
- David LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR RECOVERING ALCOHOL
- Publication number 20130035524
- Publication date Feb 7, 2013
- Celanese International Corporation
- Adam Orosco
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Separating Ethanol Having Low Acid
- Publication number 20130035521
- Publication date Feb 7, 2013
- Celanese International Corporation
- Adam Orosco
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRODUCTION OF ALCOHOLS
- Publication number 20130035517
- Publication date Feb 7, 2013
- Celanese International Corporation
- Victor J. Johnston
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Reducing Acetals During Ethanol Separation Process
- Publication number 20130035523
- Publication date Feb 7, 2013
- Celanese International Corporation
- David Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ANHYDROUS ETHANOL USING EXTRACTIVE DISTILLATI...
- Publication number 20130035525
- Publication date Feb 7, 2013
- Celanese Internation Corporation
- Victor J. JOHNSTON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Extractive Distillation of Crude Alcohol Product
- Publication number 20120323050
- Publication date Dec 20, 2012
- Celanese International Corporation
- David Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Distillation of Crude Alcohol Product Using Entrainer
- Publication number 20120323049
- Publication date Dec 20, 2012
- Celanese International Corporation
- David Lee
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Methods and systems of monitoring flammability of various streams d...

Hydrogenation process with reduced residence time for vapor phase r...

Hydrogenolysis of ethyl acetate in alcohol separation processes

Process to recover alcohol with reduced water from overhead of acid...

Reduction of acid within column through esterification during the p...

Process to recover alcohol from an ethyl acetate residue stream

Reduced energy alcohol separation process having water removal

Reducing ethyl acetate concentration in recycle streams for ethanol...

Process for producing ethanol using a molar excess of hydrogen

Reduced energy alcohol separation process having controlled pressure

Process for the production of ethanol from an acetic acid feed and...

Using a dilute acid stream as an extractive agent

Process to reduce ethanol recycled to hydrogenation reactor

Extractive distillation of crude alcohol product

Process to recover alcohol with secondary reactors for hydrolysis o...

Extractive distillation of crude alcohol product

Process for producing ethanol and reducing acetic acid concentration

Integrated process for producing alcohols from a mixed acid feed

Vapor separation in alcohol production

Recovering ethanol with sidestreams to regulate C3+ alcohols concen...

Process for controlling a reboiler during alcohol recovery and redu...

Process for removing aldehydes from ethanol reaction mixture

Process to recover alcohol with reduced water from overhead of acid...

Process to recover alcohol from an ethyl acetate residue stream

Process for acetal removal in the purification of a crude ethanol p...

Process for producing ethanol by hydrogenating mixed feeds comprisi...

Process to recover alcohol with secondary reactors for esterificati...

Process for promoting catalyst activity for ethyl acetate conversion

Reduced energy alcohol separation process

Integrated process for producing acetic acid and alcohol

Patents Applicationslast 30 patents

METHODS AND SYSTEMS OF MONITORING FLAMMABILITY OF VARIOUS STREAMS D...

METHODS AND SYSTEMS OF MONITORING FLAMMABILITY OF VARIOUS STREAMS D...

Process to Recover Alcohol with Reduced Water From Overhead of Acid...

Process To Recover Alcohol From An Ethyl Acetate Residue Stream

Recovering Ethanol with Sidestreams to Regulate C3+ Alcohols Concen...

Extractive Distillation of Crude Alcohol Product

Combined Column for Separating Products of Different Hydrogenation...

Separation Process Having An Alcohol Sidestream

Process for Producing Ethanol Using a Molar Excess of Hydrogen

Hydrogenation Process with Reduced Residence Time for Vapor Phase R...

Process for Acetal Removal In the Purification of a Crude Ethanol P...

PRESSURE DRIVEN DISTILLATION FOR ETHANOL PRODUCTION AND RECOVERY FR...

Process for Promoting Catalyst Activity for Ethyl Acetate Conversion

Process For Producing Ethanol By Hydrogenating Mixed Feeds Comprisi...

ESTERIFYING AN ETHANOL AND ACETIC ACID MIXTURE TO PRODUCE AN ESTER...

Hydrogenating Acetic Acid to Produce Ethyl Acetate and Reducing Eth...

Integrated Process For Producing Ethanol

Integrated Acid and Alcohol Production Process

Process to Recover Alcohol with Secondary Reactors for Esterificati...

ETHANOL SEPARATION PROCESS HAVING STRIPPING SECTION FOR REDUCING AC...

VAPOR SEPARATION IN ALCOHOL PRODUCTION

REDUCING ACETALS DURING ETHANOL SEPARATION PROCESS USING HIGH PRESS...

REDUCING ACETALS AND/OR ESTERS DURING ETHANOL SEPARATION PROCESS

PROCESS FOR RECOVERING ALCOHOL

Process for Separating Ethanol Having Low Acid

PRODUCTION OF ALCOHOLS

Reducing Acetals During Ethanol Separation Process

PROCESS FOR PRODUCING ANHYDROUS ETHANOL USING EXTRACTIVE DISTILLATI...

Extractive Distillation of Crude Alcohol Product

Distillation of Crude Alcohol Product Using Entrainer