Inventor · disambiguated record
Zengquan Qin
Also filed as: QIN ZENGQUAN
60 granted patents·11 pending applications·386 citations·filing 2005–2025
98Inventor score
Top patents by PatentIndex Score
71 records- 0198US7304172B2Polycarbonates made using highly selective catalystsCORNELL RES FOUNDATION INC·Filed 2005·Granted Dec 4, 2007·218 cites·7 claims
- 0296US8278239B2Polycarbonates made using highly selective catalystsCOATES GEOFFREY W·Filed 2010·Granted Oct 2, 2012·19 cites·1 claims
- 0395US7674873B2Polycarbonates made using highly selective catalystsCORNELL RES FOUNDATION INC·Filed 2007·Granted Mar 9, 2010·23 cites·13 claims
- 0494US7723256B2Polycarbonates made using highly selective catalystsCORNELL RES FOUNDATION INC·Filed 2007·Granted May 25, 2010·19 cites·28 claims
- 0592US10457765B2Metallic complex catalyst, polymerization methods employing same and polymer products thereofBRIDGESTONE CORP·Filed 2015·Granted Oct 29, 2019·5 cites·18 claims
- 0691US9469661B2Hydroxyl group-containing methylstyrene and polymers incorporating sameQIN ZENGQUAN·Filed 2015·Granted Oct 18, 2016·3 cites·10 claims
- 0791US8871871B2Hydroxyaryl functionalized polymersPAN XIAO-DONG·Filed 2008·Granted Oct 28, 2014·12 cites·34 claims
- 0890US9868850B2Rubber compositions including siliceous fillersYAN YUAN-YONG·Filed 2015·Granted Jan 16, 2018·2 cites·13 claims
- 0990US9365660B2Anionic polymerization initiators and processesYAN YUAN-YONG·Filed 2010·Granted Jun 14, 2016·8 cites·14 claims
- 1088US11161927B2Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymerBRIDGESTONE CORP·Filed 2020·Granted Nov 2, 2021·1 cites·19 claims
- 1188US8946355B2Hydroxyaryl functionalized polymersYAN YUAN-YONG·Filed 2010·Granted Feb 3, 2015·5 cites·20 claims
- 1288US8765888B2Polymers functionalized with hydroxyl group-containing diphenylethyleneQIN ZENGQUAN·Filed 2010·Granted Jul 1, 2014·6 cites·15 claims
- 1387US10730985B2Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymerBRIDGESTONE CORP·Filed 2017·Granted Aug 4, 2020·1 cites·13 claims
- 1487US10202474B2Process for producing polydienesBRIDGESTONE CORP·Filed 2016·Granted Feb 12, 2019·2 cites·21 claims
- 1587US8701728B2Processes for preparation of cyclic and acyclic diene copolymer and rubber compositionQIN ZENGQUAN·Filed 2010·Granted Apr 22, 2014·4 cites·22 claims
- 1686US10392497B2Rubber compositions including siliceous fillersBRIDGESTONE CORP·Filed 2017·Granted Aug 27, 2019·1 cites·14 claims
- 1786US9051455B2Hydroxyl group-containing methylstyrene and polymers incorporating sameQIN ZENGQUAN·Filed 2011·Granted Jun 9, 2015·4 cites·17 claims
- 1885US8664343B2Catalysts for preparing cis 1,4-polydienesQIN ZENGQUAN·Filed 2009·Granted Mar 4, 2014·7 cites·34 claims
- 1984US9556297B2Functionalized polymerBRIDGESTONE CORP·Filed 2012·Granted Jan 31, 2017·3 cites·20 claims
- 2084US2024368325A1High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating SameBRIDGESTONE CORP·Filed 2024·Application pending·0 cites
- 2183US9353205B2Processes for the preparation of high-cis polydienesBRIDGESTONE CORP·Filed 2013·Granted May 31, 2016·3 cites·21 claims
- 2283US8440755B2Method of making hydroxyaryl-functionalized interpolymerQIN ZENGQUAN·Filed 2010·Granted May 14, 2013·3 cites·12 claims
- 2383US8093351B2Copolymerization of propylene oxide and carbon dioxide and homopolymerization of propylene oxideCOATES GEOFFREY W·Filed 2007·Granted Jan 10, 2012·5 cites·31 claims
- 2482US7820580B2Nickel-based catalysts for preparing high cis 1,4-polydienesBRIDGESTONE CORP·Filed 2008·Granted Oct 26, 2010·5 cites·14 claims
- 2581US9738733B2Polymers incorporating hydroxyl group-containing methylstyreneQIN ZENGQUAN·Filed 2016·Granted Aug 22, 2017·1 cites·20 claims
- 2681US9371434B2Elastomeric compounds having increased cold flow resistance and methods producing the samePAN XIAO-DONG·Filed 2011·Granted Jun 21, 2016·2 cites·10 claims
- 2780US8993683B2Polymers functionalized with lactones or thiolactones containing a protected amino groupLUO STEVEN·Filed 2012·Granted Mar 31, 2015·2 cites·38 claims
- 2879US11807704B2Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymerBRIDGESTONE CORP·Filed 2018·Granted Nov 7, 2023·1 cites·20 claims
- 2979US10640589B2Polybutadiene polymers and rubber compositions incorporating same for low temperature applicationsBRIDGESTONE CORP·Filed 2016·Granted May 5, 2020·1 cites·15 claims
- 3079US10227425B2Hydroxyaryl functionalized polymersBRIDGESTONE CORP·Filed 2014·Granted Mar 12, 2019·1 cites·18 claims
- 3179US9150671B2Metal complex catalysts and polymerization methods employing sameQIN ZENGQUAN·Filed 2012·Granted Oct 6, 2015·2 cites·20 claims
- 3279US8158700B2Method of improving affinity between filler and polymers having a low degree of unsaturationCHEN ZHONG-REN·Filed 2008·Granted Apr 17, 2012·4 cites·25 claims
- 3378US11124591B2Ethylene interpolymerBRIDGESTONE CORP·Filed 2019·Granted Sep 21, 2021·0 cites·9 claims
- 3478US8372925B2Nickel-based catalyst compositionBRIDGESTONE CORP·Filed 2008·Granted Feb 12, 2013·3 cites·18 claims
- 3577US11124589B2Polymerization catalyst composition and method of employing sameBRIDGESTONE CORP·Filed 2015·Granted Sep 21, 2021·1 cites·8 claims
- 3677US9650456B2Process for producing polydienesBRIDGESTONE CORP·Filed 2013·Granted May 16, 2017·2 cites·21 claims
- 3777US9000107B2Process for producing polydienesQIN ZENGQUAN·Filed 2012·Granted Apr 7, 2015·2 cites·24 claims
- 3875US11117987B2Hydroxyaryl functionalized polymersBRIDGESTONE CORP·Filed 2019·Granted Sep 14, 2021·0 cites·6 claims
- 3975US11028195B2Hydroxyaryl functionalized polymersBRIDGESTONE CORP·Filed 2019·Granted Jun 8, 2021·0 cites·16 claims
- 4075US8637600B2Processing of rubber compositions including siliceous fillersPAN XIAO-DONG·Filed 2011·Granted Jan 28, 2014·2 cites·20 claims
- 4172US11168160B2Polybutadiene polymers and rubber compositions incorporating same for low temperature applicationsBRIDGESTONE CORP·Filed 2020·Granted Nov 9, 2021·0 cites·20 claims
- 4272US9416205B2Organometallic complex catalyst and polymerization method employing sameBRIDGESTONE CORP·Filed 2013·Granted Aug 16, 2016·1 cites·22 claims
- 4370US9926400B2Method of making hydroxyaryl-functionalized interpolymer by free radical initiated polymerizationYAN YUAN YONG·Filed 2010·Granted Mar 27, 2018·1 cites·17 claims
- 4469US2025243385A1Fully-adhered roofing systems utilizing a primer having a silicon-terminated polymerHOLCIM TECHNOLOGY LTD·Filed 2025·Application pending·0 cites
- 4567US10017593B2Functionalized polymerBRIDGESTONE CORP·Filed 2017·Granted Jul 10, 2018·0 cites·10 claims
- 4667US9228037B2Bulk polymerization process for producing polydienesBRIDGESTONE CORP·Filed 2012·Granted Jan 5, 2016·1 cites·18 claims
- 4765US10370475B2Elastomeric compounds having increased cold flow resistance and methods producing the sameBRIDGESTONE CORP·Filed 2016·Granted Aug 6, 2019·0 cites·19 claims
- 4865US2023134110A1High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating SameBRIDGESTONE CORP·Filed 2017·Application pending·0 cites
- 4964US2022411669A1Fully-adhered roofing systems utilizing a primer having a silicon-terminated polymerFIRESTONE BUILDING PROD CO LLC·Filed 2020·Application pending·0 cites
- 5063US9868801B2Processes for the preparation of high-cis polydienesBRIDGESTONE CORP·Filed 2016·Granted Jan 16, 2018·0 cites·20 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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