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 patentsUS7943543B1May 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 patentsUS8127936B2Mar 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 patentYATES STEPHEN F
1 patentHONEYWELL INT INC
1 patentShowing the top 50 of 113 patents by PatentIndex Score.