Inventor
LIU YAW-HWA
US35 patents
⚠️ This page may combine multiple inventors who share the name “LIU YAW-HWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELANESE INT CORP
31 patentsUS9908835B2Mar 6, 2018
Processes for purifying acetic and hydrating anhydride
CELANESE INT CORP5 citations84
US9302975B1Apr 5, 2016
Process for flashing a reaction medium
CELANESE INT CORP5 citations84
US9260369B1Feb 16, 2016
Processes for producing acetic acid product having low butyl acetate content
CELANESE INT CORP7 citations84
US10099990B2Oct 16, 2018
Process for flashing a reaction medium
CELANESE INT CORP3 citations73
US9695101B2Jul 4, 2017
Processes for producing acetic acid with decanter control
CELANESE INT CORP5 citations73
US9580377B2Feb 28, 2017
Process for producing acetic acid by introducing a lithium compound
CELANESE INT CORP2 citations73
US9540304B2Jan 10, 2017
Processes for producing an acetic acid product having low butyl acetate content
CELANESE INT CORP5 citations73
US9458077B2Oct 4, 2016
Reducing hydrogen iodide content in carbonylation processes
CELANESE INT CORP4 citations73
US9416088B1Aug 16, 2016
Process to produce acetic acid with recycle of water
CELANESE INT CORP3 citations73
US9382183B1Jul 5, 2016
Process for flashing a reaction medium
CELANESE INT CORP3 citations73
US9233907B1Jan 12, 2016
Reducing hydrogen iodide content in carbonylation processes
CELANESE INT CORP6 citations73
US9458078B2Oct 4, 2016
Processes for producing acetic acid from a reaction medium having low ethyl iodide content
CELANESE INT CORP2 citations63
US9382186B1Jul 5, 2016
Process for producing acetic acid
CELANESE INT CORP2 citations63
US9340481B1May 17, 2016
Process for flashing a reaction medium comprising lithium acetate
CELANESE INT CORP2 citations63
US11014867B2May 25, 2021
Processes for producing an acetic acid product having low butyl acetate content
CELANESE INT CORP0 citations62
US10899696B2Jan 26, 2021
Processes for purifying acetic acid and hydrating anhydride
CELANESE INT CORP0 citations62
US12577189B2Mar 17, 2026
Removal of acetals from process streams
CELANESE INT CORP0 citations52
US10829428B2Nov 10, 2020
Process for flashing a reaction medium
CELANESE INT CORP0 citations52
US10710952B2Jul 14, 2020
Process for flashing a reaction medium
CELANESE INT CORP0 citations52
US10689319B2Jun 23, 2020
Processes for purifying acetic acid and hydrating anhydride
CELANESE INT CORP0 citations52
US10173955B2Jan 8, 2019
Processes for producing an acetic acid product having low butyl acetate content
CELANESE INT CORP0 citations52
US10160714B2Dec 25, 2018
Processes for purifying acetic acid and hydrating anhydride
CELANESE INT CORP0 citations52
US9776942B2Oct 3, 2017
Processes for producing an acetic acid product having low butyl acetate content
CELANESE INT CORP0 citations52
US9676694B2Jun 13, 2017
Process for producing acetic acid
CELANESE INT CORP0 citations52
US9346734B2May 24, 2016
Removal of aromatics from carbonylation process
CELANESE INT CORP0 citations52
US9302969B1Apr 5, 2016
Processes for producing acetic acid by introducing a lithium compound
CELANESE INT CORP1 citations52
US9540302B2Jan 10, 2017
Processes for producing acetic acid
CELANESE INT CORP0 citations50
US10526270B2Jan 7, 2020
Process to produce acetic acid with recycle of water
CELANESE INT CORP0 citations42
US9957216B2May 1, 2018
Processes for producing acetic acid
CELANESE INT CORP0 citations42
US9688600B2Jun 27, 2017
Processes for improving acetic acid yield by removing iron
CELANESE INT CORP0 citations42
US9540303B2Jan 10, 2017
Processes for producing acetic acid
CELANESE INT CORP0 citations39