Inventor · disambiguated record
Zhijian Da
Also filed as: DA ZHIJIAN
23 granted patents·1 pending application·136 citations·filing 1995–2019
94Inventor score
Files withCHINA PETROLEUM & CHEMICAL9CHINA PETROLEUM & CHEM CORP4LONG JUN4XU YOUHAO3RES INST OF PETROLEUM PROC2
Top patents by PatentIndex Score
24 records- 0187US7767611B2Modified zeolite betaCHINA PETROLEUM & CHEMICAL·Filed 2006·Granted Aug 3, 2010·10 cites·10 claims
- 0286US7485595B2Molecular sieve-containing catalyst for cracking hydrocarbons and a method for preparing the sameCHINA PETROLEUM & CHEMICAL·Filed 2004·Granted Feb 3, 2009·33 cites·23 claims
- 0385US7923399B2Zeolite-containing hydrocarbon-converting catalyst, the preparation process thereof, and a process for converting hydrocarbon oils with the catalystCHINA PETROLEUM & CHEMICAL·Filed 2005·Granted Apr 12, 2011·15 cites·17 claims
- 0479US7776775B2Cracking catalyst and a preparation process for the sameCHINA PETROLEUM & CHEMICAL·Filed 2006·Granted Aug 17, 2010·5 cites·15 claims
- 0578US8778170B2Process for producing light olefins and aromaticsLONG JUN·Filed 2005·Granted Jul 15, 2014·7 cites·21 claims
- 0669US7514385B2Rare earth y-zeolite catalyst for cracking hydrocarbons and a method for preparing sameCHINA PETROLEUM & CHEMICAL·Filed 2003·Granted Apr 7, 2009·8 cites·33 claims
- 0769US7347930B2Process for cracking hydrocarbon oilsCHINA PETROLEUM & CHEMICAL·Filed 2004·Granted Mar 25, 2008·12 cites·6 claims
- 0869US6787123B2Rare earth zeolite Y and the preparation process thereofCHINA PETROLEUM & CHEMICAL·Filed 2002·Granted Sep 7, 2004·8 cites·8 claims
- 0966US9175230B2Cracking catalyst and a process for preparing the sameLONG JUN·Filed 2005·Granted Nov 3, 2015·2 cites·30 claims
- 1065US9611432B2Catalytic cracking catalyst having a higher selectivity, processing method and use thereofXU YOUHAO·Filed 2010·Granted Apr 4, 2017·1 cites·26 claims
- 1164US8608944B2Catalytic conversion method of increasing the yield of lower olefinLI ZHENG·Filed 2006·Granted Dec 17, 2013·1 cites·22 claims
- 1263US6991774B2Rare earth zeolite Y and the preparation process thereofRES INST OF PETROLEUM PROC·Filed 2004·Granted Jan 31, 2006·5 cites·14 claims
- 1360US8696887B2Catalytic conversion processXU YOUHAO·Filed 2008·Granted Apr 15, 2014·2 cites·23 claims
- 1460US8088335B2Catalytic conversion apparatusLONG JUN·Filed 2007·Granted Jan 3, 2012·2 cites·23 claims
- 1558US9771529B2Process for producing light olefins and aromaticsCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Sep 26, 2017·0 cites·8 claims
- 1656US10907110B2Process for treating gasolineCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Feb 2, 2021·0 cites·18 claims
- 1754US5789640AAromatic hydrocarbons alkylation and liquid-solid circulating fluidized bed for alkylationCHINA PETROCHEMICAL CORP·Filed 1995·Granted Aug 4, 1998·19 cites·13 claims
- 1852US11529612B2Composition capable of reducing CO and NOx emissions, preparation method therefor and use thereof, and fluid catalytic cracking methodCHINA PETROLEUM & CHEM CORP·Filed 2018·Granted Dec 20, 2022·0 cites·11 claims
- 1951US12311315B2Structured monolith catalyst for reducing NOX emission in flue gas, preparation method and applications thereofCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted May 27, 2025·0 cites·15 claims
- 2051US7435332B2Process for cracking hydrocarbon oilsCHINA PETROLEUM & CHEMICAL·Filed 2004·Granted Oct 14, 2008·3 cites·32 claims
- 2150US9163182B2Process for cracking hydrocarbon oilsLONG JUN·Filed 2008·Granted Oct 20, 2015·0 cites·23 claims
- 2248US6908544B2Cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using the sameRES INST OF PETROLEUM PROC·Filed 2002·Granted Jun 21, 2005·3 cites·28 claims
- 2346US8597500B2Process for converting inferior feedstock to high quality fuel oilXU YOUHAO·Filed 2009·Granted Dec 3, 2013·0 cites·20 claims
- 2434US2003111388A1Process for catalytic upgrading light petroleum hydrocarbons accompanied by low temperature regenerating the catalystCHINA PETROLEUM & CHEMICAL·Filed 2002·Application pending·0 cites
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