Yaw-Hwa LIU

Person

Missouri City, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Processes for producing an acetic acid product having low butyl ace...
- Patent number 11,014,867
- Issue date May 25, 2021
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for purifying acetic acid and hydrating anhydride
- Patent number 10,899,696
- Issue date Jan 26, 2021
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for flashing a reaction medium
- Patent number 10,829,428
- Issue date Nov 10, 2020
- Celanese International Corporation
- Ronald D. Shaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for flashing a reaction medium
- Patent number 10,710,952
- Issue date Jul 14, 2020
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for purifying acetic acid and hydrating anhydride
- Patent number 10,689,319
- Issue date Jun 23, 2020
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to produce acetic acid with recycle of water
- Patent number 10,526,270
- Issue date Jan 7, 2020
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to control HI concentration in residuum stream
- Patent number 10,413,840
- Issue date Sep 17, 2019
- CELANESE INTERNATIONAL COPORATION
- Mark O Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes for producing an acetic acid product having low butyl ace...
- Patent number 10,173,955
- Issue date Jan 8, 2019
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for purifying acetic acid and hydrating anhydride
- Patent number 10,160,714
- Issue date Dec 25, 2018
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for flashing a reaction medium
- Patent number 10,099,990
- Issue date Oct 16, 2018
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid
- Patent number 9,957,216
- Issue date May 1, 2018
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for purifying acetic and hydrating anhydride
- Patent number 9,908,835
- Issue date Mar 6, 2018
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing an acetic acid product having low butyl ace...
- Patent number 9,776,942
- Issue date Oct 3, 2017
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid with decanter control
- Patent number 9,695,101
- Issue date Jul 4, 2017
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for improving acetic acid yield by removing iron
- Patent number 9,688,600
- Issue date Jun 27, 2017
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing acetic acid
- Patent number 9,676,694
- Issue date Jun 13, 2017
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing acetic acid by introducing a lithium compound
- Patent number 9,580,377
- Issue date Feb 28, 2017
- Celanese International Corporation
- Mark O. Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid
- Patent number 9,561,994
- Issue date Feb 7, 2017
- Celanese International Corporation
- Ronald David Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid
- Patent number 9,540,303
- Issue date Jan 10, 2017
- Celanese International Corporation
- Mark O. Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing an acetic acid product having low butyl ace...
- Patent number 9,540,304
- Issue date Jan 10, 2017
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid
- Patent number 9,540,302
- Issue date Jan 10, 2017
- Celanese International Corporation
- Mark O. Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to control HI concentration in residuum stream
- Patent number 9,512,056
- Issue date Dec 6, 2016
- Celanese International Corporation
- Mark O Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to control HI concentration in residuum stream
- Patent number 9,505,695
- Issue date Nov 29, 2016
- Celanese International Corporation
- Mark O Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to control HI concentration in residuum stream
- Patent number 9,505,696
- Issue date Nov 29, 2016
- Celanese International Corporation
- Mark O Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid
- Patent number 9,487,464
- Issue date Nov 8, 2016
- Celanese International Corporation
- Ronald David Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acetic acid from a reaction medium having l...
- Patent number 9,458,078
- Issue date Oct 4, 2016
- Celanese International Corporation
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reducing hydrogen iodide content in carbonylation processes
- Patent number 9,458,077
- Issue date Oct 4, 2016
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to produce acetic acid with recycle of water
- Patent number 9,416,088
- Issue date Aug 16, 2016
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for flashing a reaction medium
- Patent number 9,382,183
- Issue date Jul 5, 2016
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing acetic acid
- Patent number 9,382,186
- Issue date Jul 5, 2016
- Celanese International Corporation
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR ACETIC ACID PRODUCTION BY REMOVING PERMANGANATE REDUCIN...
- Publication number 20230202956
- Publication date Jun 29, 2023
- CELANESE INTERNATIONAL CORPORATION
- David LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
REMOVAL OF ACETALS FROM PROCESS STREAMS
- Publication number 20230202955
- Publication date Jun 29, 2023
- CELANESE INTERNATIONAL CORPORATION
- David LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRODUCTION AND PURIFICATION OF ACETIC ACID
- Publication number 20230202957
- Publication date Jun 29, 2023
- CELANESE INTERNATIONAL CORPORATION
- David LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IN-SITU ANALYSIS OF METAL IONS IN VINYL ACETATE PRODUCTION
- Publication number 20230176017
- Publication date Jun 8, 2023
- CELANESE INTERNATIONAL CORPORATION
- Billy Charles TIPTON
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR FLASHING A REACTION MEDIUM
- Publication number 20200255364
- Publication date Aug 13, 2020
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE
- Publication number 20200247743
- Publication date Aug 6, 2020
- Ronald D. SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...
- Publication number 20190119190
- Publication date Apr 25, 2019
- CELANESE INTERNATIONAL CORPORATION
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE
- Publication number 20190055184
- Publication date Feb 21, 2019
- Ronald D. SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS TO PRODUCE ACETIC ACID WITH RECYCLE OF WATER
- Publication number 20190055183
- Publication date Feb 21, 2019
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR FLASHING A REACTION MEDIUM
- Publication number 20190010109
- Publication date Jan 10, 2019
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE
- Publication number 20180141890
- Publication date May 24, 2018
- Ronald D. SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS TO CONTROL HI CONCENTRATION IN RESIDUUM STREAM
- Publication number 20180093198
- Publication date Apr 5, 2018
- Celanese International Corporation
- Mark O Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...
- Publication number 20170349522
- Publication date Dec 7, 2017
- CELANESE INTERNATIONAL CORPORATION
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PURIFYING ACETIC AND HYDRATING ANHYDRIDE
- Publication number 20170137364
- Publication date May 18, 2017
- Ronald D. SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING ACETIC ACID
- Publication number 20170137361
- Publication date May 18, 2017
- Ronald D. SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR FLASHING A REACTION MEDIUM
- Publication number 20170001938
- Publication date Jan 5, 2017
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PRODUCING ACETIC ACID
- Publication number 20170001937
- Publication date Jan 5, 2017
- CELANESE INTERNATIONAL CORPORATION
- Ronald SHAVER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes for Producing Acetic Acid
- Publication number 20160289154
- Publication date Oct 6, 2016
- CELANESE INTERNATIONAL CORPORATION
- Mark O. Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes For Producing Acetic Acid
- Publication number 20160289153
- Publication date Oct 6, 2016
- Mark O. SCATES
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process to Control HI Concentration in Residuum Stream
- Publication number 20160221918
- Publication date Aug 4, 2016
- Celanese International Corporation
- Mark O Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PRODUCING ACETIC ACID
- Publication number 20160221909
- Publication date Aug 4, 2016
- Celanese International Corporation
- Ronald David SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING ACETIC ACID
- Publication number 20160221910
- Publication date Aug 4, 2016
- Celanese International Corporation
- Ronald David SHAVER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process to Control HI Concentration in Residuum Stream
- Publication number 20160221917
- Publication date Aug 4, 2016
- Celanese International Corporation
- Mark O Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process to Control HI Concentration in Residuum Stream
- Publication number 20160221919
- Publication date Aug 4, 2016
- Celanese International Corporation
- Mark O Scates
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ACETIC ACID BY INTRODUCING A LITHIUM COMPOUND
- Publication number 20160168068
- Publication date Jun 16, 2016
- CELANESE INTERNATIONAL CORPORATION
- Mark O. Scates
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...
- Publication number 20160159721
- Publication date Jun 9, 2016
- CELANESE INTERNATIONAL CORPORATION
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Reducing Hydrogen Iodide Content in Carbonylation Processes
- Publication number 20160137574
- Publication date May 19, 2016
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for Producing Acetic Acid With Decanter Control
- Publication number 20160137581
- Publication date May 19, 2016
- CELANESE INTERNATIONAL CORPORATION
- Ronald D. Shaver
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING ACETIC ACID FROM A REACTION MEDIUM HAVING L...
- Publication number 20160137575
- Publication date May 19, 2016
- CELANESE INTERNATIONAL CORPORATION
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for Producing an Acetic Acid Product Having Low Butyl Ace...
- Publication number 20160137576
- Publication date May 19, 2016
- CELANESE INTERNATIONAL CORPORATION
- Yaw-Hwa Liu
- C07 - ORGANIC CHEMISTRY

Yaw-Hwa LIU

Person

Patents Grantslast 30 patents

Processes for producing an acetic acid product having low butyl ace...

Processes for purifying acetic acid and hydrating anhydride

Process for flashing a reaction medium

Process for flashing a reaction medium

Processes for purifying acetic acid and hydrating anhydride

Process to produce acetic acid with recycle of water

Process to control HI concentration in residuum stream

Processes for producing an acetic acid product having low butyl ace...

Processes for purifying acetic acid and hydrating anhydride

Process for flashing a reaction medium

Processes for producing acetic acid

Processes for purifying acetic and hydrating anhydride

Processes for producing an acetic acid product having low butyl ace...

Processes for producing acetic acid with decanter control

Processes for improving acetic acid yield by removing iron

Process for producing acetic acid

Process for producing acetic acid by introducing a lithium compound

Processes for producing acetic acid

Processes for producing acetic acid

Processes for producing an acetic acid product having low butyl ace...

Processes for producing acetic acid

Process to control HI concentration in residuum stream

Process to control HI concentration in residuum stream

Process to control HI concentration in residuum stream

Processes for producing acetic acid

Processes for producing acetic acid from a reaction medium having l...

Reducing hydrogen iodide content in carbonylation processes

Process to produce acetic acid with recycle of water

Process for flashing a reaction medium

Process for producing acetic acid

Patents Applicationslast 30 patents

PROCESS FOR ACETIC ACID PRODUCTION BY REMOVING PERMANGANATE REDUCIN...

REMOVAL OF ACETALS FROM PROCESS STREAMS

PRODUCTION AND PURIFICATION OF ACETIC ACID

IN-SITU ANALYSIS OF METAL IONS IN VINYL ACETATE PRODUCTION

PROCESS FOR FLASHING A REACTION MEDIUM

PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE

PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...

PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE

PROCESS TO PRODUCE ACETIC ACID WITH RECYCLE OF WATER

PROCESS FOR FLASHING A REACTION MEDIUM

PROCESSES FOR PURIFYING ACETIC ACID AND HYDRATING ANHYDRIDE

PROCESS TO CONTROL HI CONCENTRATION IN RESIDUUM STREAM

PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...

PROCESSES FOR PURIFYING ACETIC AND HYDRATING ANHYDRIDE

PROCESSES FOR PRODUCING ACETIC ACID

PROCESS FOR FLASHING A REACTION MEDIUM

PROCESSES FOR PRODUCING ACETIC ACID

Processes for Producing Acetic Acid

Processes For Producing Acetic Acid

Process to Control HI Concentration in Residuum Stream

PROCESSES FOR PRODUCING ACETIC ACID

PROCESSES FOR PRODUCING ACETIC ACID

Process to Control HI Concentration in Residuum Stream

Process to Control HI Concentration in Residuum Stream

PROCESS FOR PRODUCING ACETIC ACID BY INTRODUCING A LITHIUM COMPOUND

PROCESSES FOR PRODUCING AN ACETIC ACID PRODUCT HAVING LOW BUTYL ACE...

Reducing Hydrogen Iodide Content in Carbonylation Processes

Processes for Producing Acetic Acid With Decanter Control

PROCESSES FOR PRODUCING ACETIC ACID FROM A REACTION MEDIUM HAVING L...

Processes for Producing an Acetic Acid Product Having Low Butyl Ace...