Inventor · disambiguated record
Chunming Xu
Also filed as: XU CHUNMING
28 granted patents·9 pending applications·230 citations·filing 2002–2023
95Inventor score
Files withLIU ZHICHANG9UNIV CHINA PETROLEUM BEIJING8CHINA UNIV OF PETROLEUM (BEIJING)5SHELL OIL CO5WELL RESOURCES INC3
Top patents by PatentIndex Score
37 records- 0193US7285698B2Method for manufacturing alkylate oil with composite ionic liquid used as catalystUNIV PETROLEUM BEIJING·Filed 2003·Granted Oct 23, 2007·125 cites·21 claims
- 0291US7459413B2Catalyst composition for treating heavy feedstocksSTATE KEY LAB OF HEAVY OIL PRO·Filed 2007·Granted Dec 2, 2008·32 cites·14 claims
- 0388US8692048B2Method for revamping an HF or sulphuric acid alkylation unitLIU ZHICHANG·Filed 2010·Granted Apr 8, 2014·6 cites·9 claims
- 0486US10822242B2ZSM-35 molecular sieve and preparation method thereofCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Nov 3, 2020·2 cites·16 claims
- 0586US8653318B2Process for preparing an alkylateLIU ZHICHANG·Filed 2010·Granted Feb 18, 2014·5 cites·18 claims
- 0686US7597794B2Deep separation method and processing system for the separation of heavy oil through granulation of coupled post-extraction asphalt residueUNIV CHINA PETROLEUM·Filed 2005·Granted Oct 6, 2009·14 cites·14 claims
- 0785US9290706B2Integrated process for upgrading heavy oilUNIV CHINA PETROLEUM·Filed 2013·Granted Mar 22, 2016·8 cites·20 claims
- 0884US8569561B2Method for revamping an HF or sulphuric acid alkylation unitLIU ZHICHANG·Filed 2010·Granted Oct 29, 2013·4 cites·5 claims
- 0984US8552243B2Process for preparing an alkylateLIU ZHICHANG·Filed 2010·Granted Oct 8, 2013·4 cites·15 claims
- 1082US9925532B2Method of processing heavy oils and residuaWELL RESOURCES INC·Filed 2016·Granted Mar 27, 2018·3 cites·20 claims
- 1177US9725658B2Method of processing low-grade heavy oilUNIV CHINA PETROLEUM BEIJING·Filed 2014·Granted Aug 8, 2017·3 cites·14 claims
- 1277US6714871B1Method for quantifying permeability of vuggy carbonates using wireline logsSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Mar 30, 2004·20 cites·20 claims
- 1371US10266778B2Method for upgrading fluid catalytic cracking gasolineCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted Apr 23, 2019·1 cites·13 claims
- 1469US11998899B2Bifunctional catalyst for deep desulfurization and gasoline quality improvement and preparation method thereforUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Jun 4, 2024·0 cites·13 claims
- 1569US9663730B2Method for the conversion of asphaltenes to light fractionsCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted May 30, 2017·1 cites·9 claims
- 1668US12115522B2In situ bifunctional catalyst for deep desulfurization and increasing octane number of gasoline and preparation method thereofUNIV CHINA PETROLEUM BEIJING·Filed 2021·Granted Oct 15, 2024·0 cites·10 claims
- 1768US7594995B2Catalyst composition for treating heavy feedstocksSTATE KEY LAB OF HEAVY OIL PRO·Filed 2008·Granted Sep 29, 2009·2 cites·15 claims
- 1864US2024109056A1Composite ionic liquid and preparation method and use thereofUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 1963US2022355269A1Adsorption Material and Method for Treating PollutantsWELL RESOURCES INC·Filed 2022·Application pending·0 cites
- 2062US2024017232A1Coupled fluidized beds reactor-regenerator apparatus for catalytic dehydrogenation of propaneUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 2160US11634334B2Method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted methodUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Apr 25, 2023·0 cites·6 claims
- 2255US2024052247A1Steam cracking method utilizing electricity for providing energyUNIV CHINA PETROLEUM BEIJING·Filed 2023·Application pending·0 cites
- 2351US11446633B2Method for treating pollutantsWELL RESOURCES INC·Filed 2019·Granted Sep 20, 2022·0 cites·11 claims
- 2451US11426702B2Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewaterUNIV CHINA PETROLEUM BEIJING·Filed 2020·Granted Aug 30, 2022·0 cites·20 claims
- 2549US9567273B2Process for preparing alkylate comprising an improved solids removal stepSHELL OIL CO·Filed 2013·Granted Feb 14, 2017·0 cites·10 claims
- 2648US9346042B2Process for regeneration of ionic liquid catalystSHELL OIL CO·Filed 2012·Granted May 24, 2016·0 cites·10 claims
- 2747US11097263B2Aromatization catalyst, preparation method, regeneration method thereof, and aromatization methodCHINA UNIV OF PETROLEUM—BEIJING·Filed 2019·Granted Aug 24, 2021·0 cites·5 claims
- 2846US9096487B2Alkylation method using ionic liquid as catalystLIU ZHICHANG·Filed 2010·Granted Aug 4, 2015·0 cites·12 claims
- 2942US8633346B2Process for preparing an alkylateLIU ZHICHANG·Filed 2010·Granted Jan 21, 2014·0 cites·45 claims
- 3040US2018188159A1Process for monitoring the catalytic activity of an ionic liquidSHELL OIL CO·Filed 2016·Application pending·0 cites
- 3139US9683183B2Method for deep desulfurization of gasolineCHINA UNIV OF PETROLEUM—BEIJING·Filed 2015·Granted Jun 20, 2017·0 cites·14 claims
- 3239US2018180555A1Process for monitoring the catalytic activity of an ionic liquidSHELL OIL CO·Filed 2016·Application pending·0 cites
- 3338US10011779B2Adsorbent for desulfurization of gasoline and method for desulfurization of gasolineCHINA UNIV OF PETROELUM BEIJING·Filed 2015·Granted Jul 3, 2018·0 cites·19 claims
- 3438US9260668B2Method for revamping an HF or sulphuric acid alkylation unit and method for the production of alkylateLIU ZHICHANG·Filed 2010·Granted Feb 16, 2016·0 cites·17 claims
- 3538US2017320047A1Process to prepare a composite ionic liquidSHELL OIL CO·Filed 2015·Application pending·0 cites
- 3638US2012283500A1Methods for regenerating and maintaining activity of ionic liquid catalyst and producing alkylateLIU ZHICHANG·Filed 2010·Application pending·0 cites
- 3737US2012165593A1Process for preparing an alkylateLIU ZHICHANG·Filed 2010·Application pending·0 cites
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