Inventor · disambiguated record
Qinyan Wang
Also filed as: WANG QINYAN
59 granted patents·3 pending applications·636 citations·filing 1994–2023
98Inventor score
Files withNOVA CHEM INT SA41UNIV ALBERTA8NOVA CHEMICALS INTERNATIONAL SA7NOVA CHEMICAL INTERNATIONAL S2NOVA CHEMICALS CORP1
Top patents by PatentIndex Score
62 records- 0197US11359081B2Polyethylene composition and film having a good permeability, stiffness and sealabilityNOVA CHEM INT SA·Filed 2019·Granted Jun 14, 2022·11 cites·43 claims
- 0297US11339278B2Polyethylene composition and film having high stiffness, outstanding sealability and high permeabilityNOVA CHEM INT SA·Filed 2019·Granted May 24, 2022·9 cites·47 claims
- 0397US10442920B2Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulationsNOVA CHEM INT SA·Filed 2017·Granted Oct 15, 2019·12 cites·40 claims
- 0497US10442921B2Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulationsNOVA CHEM INT SA·Filed 2017·Granted Oct 15, 2019·16 cites·39 claims
- 0595US11352485B2Polyethylene composition and film having outstanding propertiesNOVA CHEM INT SA·Filed 2019·Granted Jun 7, 2022·6 cites·48 claims
- 0695US11279819B2Polyethylene composition and filmNOVA CHEM INT SA·Filed 2019·Granted Mar 22, 2022·6 cites·46 claims
- 0794US11306196B2Polyethylene composition and film having retained dart impactNOVA CHEM INT SA·Filed 2019·Granted Apr 19, 2022·5 cites·38 claims
- 0894US6342463B1Polymerization catalyst having a phosphinimine ligandNOVA CHEM INT SA·Filed 2000·Granted Jan 29, 2002·72 cites·12 claims
- 0993US11753533B2Polyethylene composition and film having outstanding propertiesNOVA CHEM INT SA·Filed 2021·Granted Sep 12, 2023·1 cites·20 claims
- 1093US6063879AHigh temperature solution polymerization process with phosphinimine cyclopentadienyl metal (GRP IV) complexNOVA CHEM INT SA·Filed 1997·Granted May 16, 2000·96 cites·31 claims
- 1191US7666810B2Ziegler-natta catalyst for high temperature polymerizationNOVA CHEM INT SA·Filed 2007·Granted Feb 23, 2010·14 cites·13 claims
- 1290US6649558B2Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 2001·Granted Nov 18, 2003·33 cites·14 claims
- 1390US6355744B1Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligandNOVA CHEM INT SA·Filed 2000·Granted Mar 12, 2002·30 cites·4 claims
- 1488US12209176B2Ethylene-cyclic mono olefin copolymerizationsNOVA CHEMICALS INTERNATIONAL SA·Filed 2023·Granted Jan 28, 2025·0 cites·2 claims
- 1586US10738183B2Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulationsNOVA CHEMICALS (INTERNATIONAL) SA·Filed 2019·Granted Aug 11, 2020·1 cites·39 claims
- 1684US9481748B2Ziegler-Natta catalyst for high temperature polymerizationNOVA CHEMICALS INTERNATIONAL SA·Filed 2014·Granted Nov 1, 2016·3 cites·30 claims
- 1784US8907029B2Catalyst for high temperature olefin polymerizationWANG QINYAN·Filed 2011·Granted Dec 9, 2014·7 cites·27 claims
- 1883US12344730B2Polyethylene composition and film having high stiffness, outstanding sealability and high permeabilityNOVA CHEMICALS INTERNATIONAL SA·Filed 2022·Granted Jul 1, 2025·0 cites·11 claims
- 1983US6239238B1Bis-phosphinimine catalystNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·29 cites·5 claims
- 2083US6239237B1Group 8, 9 or 10 transition metal catalyst for olefin polymerizationNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·28 cites·15 claims
- 2179US5439996ASynthesis of polymers of vinyl ethers, 1,5-hexadiene and N-vinylcarbazoleUNIV KINGSTON·Filed 1994·Granted Aug 8, 1995·27 cites·10 claims
- 2278US6147172APhosphinimine/heteroatom catalyst componentNOVA CHEM INT SA·Filed 1999·Granted Nov 14, 2000·35 cites·19 claims
- 2378US2022267577A1Polyethylene composition and film having a good permeability, stiffness and sealabilityNOVA CHEM INT SA·Filed 2022·Application pending·0 cites
- 2475US11186655B2Off-line filter free Ziegler-Natta catalyst preparationNOVA CHEM INT SA·Filed 2019·Granted Nov 30, 2021·1 cites·15 claims
- 2574US11827775B2Ethylene-cyclic mono olefin copolymerizationsNOVA CHEM INT SA·Filed 2019·Granted Nov 28, 2023·0 cites·8 claims
- 2674US11111368B2Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulationsNOVA CHEM INT SA·Filed 2020·Granted Sep 7, 2021·0 cites·43 claims
- 2773US11015044B2Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing mixed homogeneous catalyst formulationsNOVA CHEM INT SA·Filed 2019·Granted May 25, 2021·0 cites·37 claims
- 2873US10647588B2Synthesis of magnesium dichloride support for the AST off-line ZN catalyst with a plug flow reactor (PFR)NOVA CHEM INT SA·Filed 2016·Granted May 12, 2020·1 cites·18 claims
- 2972US6486276B1Process to prepare ethylene propylene elastomerNOVA CHEM INT SA·Filed 2001·Granted Nov 26, 2002·11 cites·11 claims
- 3072US6268448B1Iminophosphonamide complexes for olefinUNIV WATERLOO·Filed 1999·Granted Jul 31, 2001·33 cites·35 claims
- 3170US10442880B2Ziegler-Natta catalyst for high temperature polymerizationNOVA CHEM INT SA·Filed 2017·Granted Oct 15, 2019·0 cites·11 claims
- 3270US6476245B1Phosphinimine methanide transition metal catalystsUNIV ALBERTA·Filed 2000·Granted Nov 5, 2002·6 cites·15 claims
- 3370US6313331B1Carbene transition metal catalystsUNIV ALBERTA·Filed 2000·Granted Nov 6, 2001·9 cites·26 claims
- 3470US6239061B1Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethyleneNOVA CHEM INT SA·Filed 1999·Granted May 29, 2001·30 cites·16 claims
- 3570US6060568ACarbene transition metal catalystsUNIV ALBERTA·Filed 1999·Granted May 9, 2000·22 cites·92 claims
- 3668US9963526B2Process for polymerization using dense and spherical ziegler-natta type catalystNOVA CHEM INT SA·Filed 2016·Granted May 8, 2018·1 cites·7 claims
- 3766US10590214B2Ziegler-Natta catalyst for high temperature polymerizationNOVA CHEM INT SA·Filed 2018·Granted Mar 17, 2020·0 cites·16 claims
- 3866US6686491B2Aluminum complexes for olefin polymerizationUNIV ALBERTA·Filed 2002·Granted Feb 3, 2004·6 cites·39 claims
- 3966US6133387AGroup 8, 9 or 10 olefin copolymerization catalystNOVA CHEM INT SA·Filed 1998·Granted Oct 17, 2000·20 cites·33 claims
- 4065US6696532B2Phosphinimine methanide transition metal catalystsUNIV ALBERTA·Filed 2002·Granted Feb 24, 2004·4 cites·38 claims
- 4165US2017037163A1Ziegler-natta catalyst for high temperature polymerizationNOVA CHEMICALS INTERNATIONAL SA·Filed 2016·Application pending·0 cites
- 4261US6339161B1Group 8, 9 or 10 transition metal catalyst for olefin polymerizationNOVA CHEM INT SA·Filed 2001·Granted Jan 15, 2002·4 cites·6 claims
- 4361US6300435B1Iron olefin copolymerization catalystNOVA CHEMICAL INTERNATIONAL S·Filed 1999·Granted Oct 9, 2001·9 cites·88 claims
- 4460US10072111B2Spheroidal catalyst for olefin polymerizationNOVA CHEM INT SA·Filed 2018·Granted Sep 11, 2018·0 cites·7 claims
- 4560US6380333B1Group 8, 9 or 10 olefin copolymerization catalystNOVA CHEM INT SA·Filed 2000·Granted Apr 30, 2002·4 cites·16 claims
- 4657US12338304B2Control of unsaturation in polymers produced in solution processNOVA CHEMICALS INTERNATIONAL SA·Filed 2020·Granted Jun 24, 2025·0 cites·8 claims
- 4757US12297303B2High productivity polymerization with aryloxy ether ligand catalystNOVA CHEMICALS INTERNATIONAL SA·Filed 2020·Granted May 13, 2025·0 cites·8 claims
- 4856US6740724B2Ethylene styrene copolymer with isolated styreneNOVA CHEM INT SA·Filed 2002·Granted May 25, 2004·4 cites·16 claims
- 4955US9914793B2Spheroidal catalyst for olefin polymerizationNOVA CHEM INT SA·Filed 2015·Granted Mar 13, 2018·0 cites·16 claims
- 5051US6664358B2Highly alternating ethylene styrene interpolymersNOVA CHEM INT SA·Filed 2001·Granted Dec 16, 2003·2 cites·8 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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