P

Inventor

LIU CHUNQING

US113 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHUNQING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UOP LLC

31 patents
US7943543B1May 17, 2011

Ionic liquid-solid-polymer mixed matrix membranes for gas separations

UOP LLC69 citations98
US7758751B1Jul 20, 2010

UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separations

UOP LLC54 citations98
US7410525B1Aug 12, 2008

Mixed matrix membranes incorporating microporous polymers as fillers

UOP LLC117 citations98
US7637983B1Dec 29, 2009

Metal organic framework—polymer mixed matrix membranes

UOP LLC113 citations97
US7485173B1Feb 3, 2009

Cross-linkable and cross-linked mixed matrix membranes and methods of making the same

UOP LLC72 citations97
US8366804B2Feb 5, 2013

High permeance polyimide membranes for air separation

UOP LLC24 citations91
US9126154B2Sep 8, 2015

High hydrocarbon resistant chemically cross-linked aromatic polyimide membrane for separations

UOP LLC7 citations84
US8048198B2Nov 1, 2011

High performance mixed matrix membranes incorporating at least two kinds of molecular sieves

UOP LLC12 citations84
US7846496B2Dec 7, 2010

Mixed matrix membranes incorporating surface-functionalized molecular sieve nanoparticles and methods for making the same

UOP LLC9 citations84
US7815712B2Oct 19, 2010

Method of making high performance mixed matrix membranes using suspensions containing polymers and polymer stabilized molecular sieves

UOP LLC9 citations84
US7806962B2Oct 5, 2010

Cross-linkable and cross-linked mixed matrix membranes and methods of making the same

UOP LLC9 citations84
US10258929B2Apr 16, 2019

Stable facilitated transport membranes for olefin/paraffin separations

UOP LLC7 citations83
US9233344B1Jan 12, 2016

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification

UOP LLC10 citations83
US8814982B2Aug 26, 2014

Tetrazole functionalized polymer membranes

UOP LLC10 citations83
US10507435B1Dec 17, 2019

Membrane process for olefin separation

UOP LLC8 citations82
US9211508B2Dec 15, 2015

Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes

UOP LLC8 citations82
US9126156B2Sep 8, 2015

Self cross-linkable and self cross-linked aromatic polyimide membranes for separations

UOP LLC7 citations82
US9126152B2Sep 8, 2015

Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes

UOP LLC7 citations82
US9238202B2Jan 19, 2016

Gas separation membranes from chemically and UV treated polymers of intrinsic microporosity

UOP LLC8 citations81
US7790803B2Sep 7, 2010

Crosslinked organic-inorganic hybrid membranes and their use in gas separation

UOP LLC6 citations74
US10569218B2Feb 25, 2020

Multiple membrane separation process using glassy polymeric membrane and rubbery polymeric membrane

UOP LLC5 citations73
US10472306B1Nov 12, 2019

Process for separation of propylene from a liquefied petroleum gas stream

UOP LLC5 citations73
US9567436B2Feb 14, 2017

Super high selectivity aromatic block copolyimide membranes for separations

UOP LLC2 citations73
US12381245B2Aug 5, 2025

Polyelectrolyte multilayer coated proton exchange membrane for electrolysis and fuel cell applications

UOP LLC2 citations72
US10052582B1Aug 21, 2018

Super high permeance and high selectivity rubbery polymeric membranes for separations

UOP LLC3 citations72
US9751053B2Sep 5, 2017

Asymmetric integrally-skinned flat sheet membranes for H2 purification and natural gas upgrading

UOP LLC3 citations72
US9266058B1Feb 23, 2016

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification

UOP LLC3 citations72
US11939283B1Mar 26, 2024

Process for the hydrogenation of olefins

UOP LLC4 citations71
US10471381B2Nov 12, 2019

High selectivity facilitated transport membranes and their use for olefin/paraffin separations

UOP LLC3 citations71
US9327248B1May 3, 2016

Copolyimide membranes with high permeability and selectivity for olefin/paraffin separations

UOP LLC5 citations71
US11033856B2Jun 15, 2021

Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separations

UOP LLC2 citations69

LIU CHUNQING

16 patents
US8127936B2Mar 6, 2012

High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes

LIU CHUNQING77 citations97
US8127937B2Mar 6, 2012

High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes

LIU CHUNQING78 citations97
US8132677B2Mar 13, 2012

Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinking

LIU CHUNQING22 citations92
US8575414B2Nov 5, 2013

Membrane system for natural gas upgrading

LIU CHUNQING22 citations91
US8561812B2Oct 22, 2013

Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups

LIU CHUNQING16 citations84
US8540800B2Sep 24, 2013

Microporous UZM-5 inorganic zeolite membranes for gas, vapor, and liquid separations

LIU CHUNQING7 citations84
US8241501B2Aug 14, 2012

Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinking

LIU CHUNQING9 citations84
US8083833B2Dec 27, 2011

Flexible template-directed microporous partially pyrolyzed polymeric membranes

LIU CHUNQING11 citations84
US8613362B2Dec 24, 2013

Polymer membranes derived from aromatic polyimide membranes

LIU CHUNQING13 citations83
US8132678B2Mar 13, 2012

Polybenzoxazole polymer-based mixed matrix membranes

LIU CHUNQING13 citations83
US8912288B2Dec 16, 2014

Separation process using a polyimide membrane

LIU CHUNQING10 citations82
US8614288B2Dec 24, 2013

Polyimide gas separation membranes

LIU CHUNQING7 citations82
US8816003B2Aug 26, 2014

High plasticization-resistant cross-linked polymeric membranes for separations

LIU CHUNQING5 citations73
US8459469B2Jun 11, 2013

Polybenzoxazole membranes prepared from aromatic polyamide membranes

LIU CHUNQING5 citations72
US8394453B2Mar 12, 2013

Mixed matrix membranes incorporating surface-functionalized molecular sieve nanoparticles

LIU CHUNQING2 citations63
US8262779B2Sep 11, 2012

Microporous aluminophosphate molecular sieve membranes for highly selective separations

LIU CHUNQING5 citations63

CHINESE ACAD INST CHEMISTRY

1 patent

YATES STEPHEN F

1 patent

HONEYWELL INT INC

1 patent

Showing the top 50 of 113 patents by PatentIndex Score.