Inventor · disambiguated record
Xuequan Zhang
Also filed as: ZHANG XUEQUAN
18 granted patents·13 pending applications·52 citations·filing 2000–2025
90Inventor score
Files withBEIJING EASPRING MAT TECH CO LTD14CHANGCHUN APPLIED CHEMISTRY5SAMSUNG ATOFINA CO LTD5QINGDAO UNIV OF SCIENCE AND TECHNOLOGY2UNIV QINGDAO SCIENCE & TECHNOLOGY2
Top patents by PatentIndex Score
31 records- 0191US11837722B2Positive electrode material for lithium ion battery and preparation method therefor, and lithium ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2022·Granted Dec 5, 2023·1 cites·20 claims
- 0289US11996560B1Positive electrode material of lithium-ion battery and preparation method thereforBEIJING EASPRING MAT TECH CO LTD·Filed 2023·Granted May 28, 2024·1 cites·6 claims
- 0382US7288611B2Methods for preparing a rare-earth cis-1,4-polybutadiene rubber with a controlled molecular weight distributionCHANGCHUN APPLIED CHEMISTRY·Filed 2004·Granted Oct 30, 2007·28 cites·26 claims
- 0481US12113214B2Positive electrode material and preparation method and use therefor, lithium-ion battery positive electrode pole piece, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·8 claims
- 0576US2025105273A1Lithium-rich manganese oxide cathode material, preparation method, positive electrode plate, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2024·Application pending·0 cites
- 0675US2025112234A1Lithium-ion battery cathode material, preparation method thereof, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2024·Application pending·0 cites
- 0774US2025329728A1Cathode material, preparation method therefor, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2025·Application pending·0 cites
- 0873US2023268498A1Positive electrode material and preparation method and use therefor, lithium-ion battery positive electrode pole piece, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2021·Application pending·0 cites
- 0972US11984590B2Positive electrode material for lithium ion battery and preparation method thereforBEIJING EASPRING MAT TECH CO LTD·Filed 2023·Granted May 14, 2024·0 cites·11 claims
- 1072US2025206613A1Olivine-type cathode material, preparation method thereof, and lithium-ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2024·Application pending·0 cites
- 1171US12338136B2Positive electrode material, preparation method therefor, and application thereofBEIJING EASPRING MAT TECH CO LTD·Filed 2023·Granted Jun 24, 2025·0 cites·15 claims
- 1271US11987660B2Catalytic system and use thereof, and preparation method of syndiotactic 1,2-polybutadiene (s-PB)UNIV QINGDAO SCIENCE & TECHNOLOGY·Filed 2022·Granted May 21, 2024·0 cites·15 claims
- 1370US2025011515A1Regulation method of molecular weight for preparation of syndiotactic 1,2-polybutadiene using an iron-based catalystQINGDAO UNIV OF SCIENCE AND TECHNOLOGY·Filed 2024·Application pending·0 cites
- 1469US2025183294A1Positive electrode active material for lithium secondary battery and preparation method thereforBEIJING EASPRING MAT TECH CO LTD·Filed 2025·Application pending·0 cites
- 1567US2025011479A1Iron-based catalyst and its application in catalytic diene polymerizationQINGDAO UNIV OF SCIENCE AND TECHNOLOGY·Filed 2024·Application pending·0 cites
- 1665US12071356B2Positive electrode material having multi-cavity structure and preparation method therefor, and lithium ion batteryBEIJING EASPRING MAT TECH CO LTD·Filed 2022·Granted Aug 27, 2024·0 cites·10 claims
- 1765US2023303736A1Homogeneous rare earth catalyst and preparation method and use thereofUNIV QINGDAO SCIENCE & TECHNOLOGY·Filed 2022·Application pending·0 cites
- 1862US2024204173A1Positive electrode material and preparation method thereforBEIJING EASPRING MAT TECH CO LTD·Filed 2022·Application pending·0 cites
- 1961US2025309264A1Lithium manganese iron phosphate cathode material, preparation method therefor, and lithium-ion battery thereofBEIJING EASPRING MAT TECH CO LTD·Filed 2025·Application pending·0 cites
- 2060US6613711B2Clay-titanium tetrachloride catalyst and the preparation thereofCHANGCHUN APPLIED CHEMISTRY·Filed 2002·Granted Sep 2, 2003·5 cites·16 claims
- 2159US6890973B2Syndiotactic polystyrene nanocomposite and manufacturing method thereofSAMSUNG ATOFINA CO LTD·Filed 2001·Granted May 10, 2005·4 cites·6 claims
- 2258US6828270B1Supported catalyst for producing syndiotactic styrenic polymer with high productivity and significantly reduced reactor foulingSAMSUNG ATOFINA CO LTD·Filed 2000·Granted Dec 7, 2004·4 cites·19 claims
- 2357US6875804B2Syndiotactic polystyrene compositions having improved impact strengthSAMSUNG ATOFINA CO INC·Filed 2000·Granted Apr 5, 2005·5 cites·8 claims
- 2455US6780938B2Reactor alloy of syndiotactic polystyrene having high impact resistanceSAMSUNG ATOFINA CO LTD·Filed 2001·Granted Aug 24, 2004·2 cites·13 claims
- 2551US7009012B2Supported catalyst for producing syndiotactic styrenic polymerSAMSUNG ATOFINA CO LTD·Filed 2000·Granted Mar 7, 2006·2 cites·24 claims
- 2642US7723449B2Catalysts for synthesizing a polypropylene with a wide molecular weight distribution and use of the sameCHANGCHUN APPLIED CHEMISTRY·Filed 2008·Granted May 25, 2010·0 cites·11 claims
- 2737US6767965B2Method of preparing monomer-grafted syndiotactic polystyrene with polaritySAMSUNG ATOFINA CO LTD·Filed 2001·Granted Jul 27, 2004·0 cites·21 claims
- 2837US2017320980A1Random-syndiotactic block polybutadiene and preparation method thereofCHANGGHUN INST OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES·Filed 2014·Application pending·0 cites
- 2935US2003130446A1Ethylene-aromatic vinyl compound-vinyl norbonene terpolymerFiled 2000·Application pending·0 cites
- 3033US8350072B2Method for producing soluble neodymium chloride complexCHANGCHUN APPLIED CHEMISTRY·Filed 2010·Granted Jan 8, 2013·0 cites·5 claims
- 3127US7186785B2Process for manufacturing vinyl-rich polybutadiene rubberCHANGCHUN APPLIED CHEMISTRY·Filed 2004·Granted Mar 6, 2007·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →