Inventor · disambiguated record
Chunqing Liu
Also filed as: LIU CHUNQING
110 granted patents·64 pending applications·1,011 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
174 records- 0198US7410525B1Mixed matrix membranes incorporating microporous polymers as fillersUOP LLC·Filed 2005·Granted Aug 12, 2008·117 cites·28 claims
- 0297US7943543B1Ionic liquid-solid-polymer mixed matrix membranes for gas separationsUOP LLC·Filed 2006·Granted May 17, 2011·69 cites·14 claims
- 0397US7758751B1UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separationsUOP LLC·Filed 2006·Granted Jul 20, 2010·54 cites·10 claims
- 0497US7637983B1Metal organic framework—polymer mixed matrix membranesUOP LLC·Filed 2006·Granted Dec 29, 2009·113 cites·17 claims
- 0597US7485173B1Cross-linkable and cross-linked mixed matrix membranes and methods of making the sameUOP LLC·Filed 2005·Granted Feb 3, 2009·72 cites·17 claims
- 0696US8127937B2High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranesLIU CHUNQING·Filed 2009·Granted Mar 6, 2012·78 cites·15 claims
- 0796US8127936B2High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranesLIU CHUNQING·Filed 2009·Granted Mar 6, 2012·77 cites·4 claims
- 0895US11939283B1Process for the hydrogenation of olefinsUOP LLC·Filed 2022·Granted Mar 26, 2024·4 cites·20 claims
- 0995US10569218B2Multiple membrane separation process using glassy polymeric membrane and rubbery polymeric membraneUOP LLC·Filed 2017·Granted Feb 25, 2020·5 cites·10 claims
- 1095US8561812B2Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groupsLIU CHUNQING·Filed 2009·Granted Oct 22, 2013·16 cites·8 claims
- 1194US12381245B2Polyelectrolyte multilayer coated proton exchange membrane for electrolysis and fuel cell applicationsUOP LLC·Filed 2021·Granted Aug 5, 2025·2 cites·5 claims
- 1294US8575414B2Membrane system for natural gas upgradingLIU CHUNQING·Filed 2011·Granted Nov 5, 2013·22 cites·7 claims
- 1394US8366804B2High permeance polyimide membranes for air separationUOP LLC·Filed 2010·Granted Feb 5, 2013·24 cites·15 claims
- 1493US10507435B1Membrane process for olefin separationUOP LLC·Filed 2018·Granted Dec 17, 2019·8 cites·16 claims
- 1593US10472306B1Process for separation of propylene from a liquefied petroleum gas streamUOP LLC·Filed 2018·Granted Nov 12, 2019·5 cites·13 claims
- 1693US10258929B2Stable facilitated transport membranes for olefin/paraffin separationsUOP LLC·Filed 2017·Granted Apr 16, 2019·7 cites·13 claims
- 1792US9126152B2Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranesUOP LLC·Filed 2013·Granted Sep 8, 2015·7 cites·13 claims
- 1892US8132677B2Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinkingLIU CHUNQING·Filed 2009·Granted Mar 13, 2012·22 cites·7 claims
- 1990US9233344B1High selectivity polyimide membrane for natural gas upgrading and hydrogen purificationUOP LLC·Filed 2014·Granted Jan 12, 2016·10 cites·11 claims
- 2090US8241501B2Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinkingLIU CHUNQING·Filed 2011·Granted Aug 14, 2012·9 cites·7 claims
- 2188US8912288B2Separation process using a polyimide membraneLIU CHUNQING·Filed 2011·Granted Dec 16, 2014·10 cites·14 claims
- 2288US8814982B2Tetrazole functionalized polymer membranesUOP LLC·Filed 2012·Granted Aug 26, 2014·10 cites·10 claims
- 2387US9126154B2High hydrocarbon resistant chemically cross-linked aromatic polyimide membrane for separationsUOP LLC·Filed 2013·Granted Sep 8, 2015·7 cites·8 claims
- 2486US10471381B2High selectivity facilitated transport membranes and their use for olefin/paraffin separationsUOP LLC·Filed 2017·Granted Nov 12, 2019·3 cites·13 claims
- 2586US9238202B2Gas separation membranes from chemically and UV treated polymers of intrinsic microporosityUOP LLC·Filed 2013·Granted Jan 19, 2016·8 cites·7 claims
- 2686US9211508B2Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranesUOP LLC·Filed 2013·Granted Dec 15, 2015·8 cites·3 claims
- 2786US8337598B2Photo-crosslinked gas selective membranes as part of thin film composite hollow fiber membranesYATES STEPHEN F·Filed 2008·Granted Dec 25, 2012·31 cites·12 claims
- 2885US10052582B1Super high permeance and high selectivity rubbery polymeric membranes for separationsUOP LLC·Filed 2017·Granted Aug 21, 2018·3 cites·2 claims
- 2985US8540800B2Microporous UZM-5 inorganic zeolite membranes for gas, vapor, and liquid separationsLIU CHUNQING·Filed 2011·Granted Sep 24, 2013·7 cites·14 claims
- 3085US8048198B2High performance mixed matrix membranes incorporating at least two kinds of molecular sievesUOP LLC·Filed 2007·Granted Nov 1, 2011·12 cites·19 claims
- 3184US11837767B2Electrolyte compositions for redox flow batteriesUOP LLC·Filed 2021·Granted Dec 5, 2023·1 cites·17 claims
- 3284US9126156B2Self cross-linkable and self cross-linked aromatic polyimide membranes for separationsUOP LLC·Filed 2013·Granted Sep 8, 2015·7 cites·16 claims
- 3384US8614288B2Polyimide gas separation membranesLIU CHUNQING·Filed 2011·Granted Dec 24, 2013·7 cites·3 claims
- 3484US8132678B2Polybenzoxazole polymer-based mixed matrix membranesLIU CHUNQING·Filed 2009·Granted Mar 13, 2012·13 cites·14 claims
- 3583US12187673B2Apparatus for the hydrogenation of olefinsUOP LLC·Filed 2024·Granted Jan 7, 2025·0 cites·10 claims
- 3683US8613362B2Polymer membranes derived from aromatic polyimide membranesLIU CHUNQING·Filed 2009·Granted Dec 24, 2013·13 cites·14 claims
- 3783US8318013B2Staged membrane system for gas, vapor, and liquid separationsZHOU LUBO·Filed 2011·Granted Nov 27, 2012·5 cites·3 claims
- 3883US8203028B2Processes for olefin/paraffin separation utilizing porous, hydrophobic poly(ether ether ketone) membranesKULPRATHIPANJA SANTI·Filed 2010·Granted Jun 19, 2012·3 cites·20 claims
- 3983US8083833B2Flexible template-directed microporous partially pyrolyzed polymeric membranesLIU CHUNQING·Filed 2007·Granted Dec 27, 2011·11 cites·7 claims
- 4083US7846496B2Mixed matrix membranes incorporating surface-functionalized molecular sieve nanoparticles and methods for making the sameUOP LLC·Filed 2007·Granted Dec 7, 2010·9 cites·17 claims
- 4183US7806962B2Cross-linkable and cross-linked mixed matrix membranes and methods of making the sameUOP LLC·Filed 2008·Granted Oct 5, 2010·9 cites·7 claims
- 4283US2025316736A1Polyelectrolyte multilayer coated proton exchange membrane for electrolysis and fuel cell applicationsUOP LLC·Filed 2025·Application pending·0 cites
- 4382US9327248B1Copolyimide membranes with high permeability and selectivity for olefin/paraffin separationsUOP LLC·Filed 2014·Granted May 3, 2016·5 cites·2 claims
- 4482US8459469B2Polybenzoxazole membranes prepared from aromatic polyamide membranesLIU CHUNQING·Filed 2010·Granted Jun 11, 2013·5 cites·8 claims
- 4582US8262779B2Microporous aluminophosphate molecular sieve membranes for highly selective separationsLIU CHUNQING·Filed 2010·Granted Sep 11, 2012·5 cites·6 claims
- 4682US8083834B2High permeability membrane operated at elevated temperature for upgrading natural gasZHOU LUBO·Filed 2008·Granted Dec 27, 2011·4 cites·9 claims
- 4780US10683246B2Method and system for light olefin separationUOP LLC·Filed 2018·Granted Jun 16, 2020·1 cites·14 claims
- 4880US7815712B2Method of making high performance mixed matrix membranes using suspensions containing polymers and polymer stabilized molecular sievesUOP LLC·Filed 2006·Granted Oct 19, 2010·9 cites·26 claims
- 4980US6423772B1Organo-bridged ladderlike polysiloxane, tube-like organosilicon polymers, complexes thereof, and the method for producing the sameCHINESE ACAD INST CHEMISTRY·Filed 2000·Granted Jul 23, 2002·23 cites·11 claims
- 5079US11033856B2Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separationsUOP LLC·Filed 2018·Granted Jun 15, 2021·2 cites·12 claims
Showing the top 50 of 174 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →