Qin; Zengquan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Qin; Zengquan.The latest application filed is for "modified high cis polydiene polymer, related methods and rubber compositions".

Company Profile

8.77.74

Qin; Zengquan - Brentwood TN
Qin; Zengquan - Nashville TN
Qin; Zengquan - Copley OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Modified High Cis Polydiene Polymer, Related Methods And Rubber Compositions App 20220185931 - Qin; Zengquan ; et al.	2022-06-16
Polybutadiene polymers and rubber compositions incorporating same for low temperature applications Grant 11,168,160 - Kim , et al. November 9, 2	2021-11-09
High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating Same App 20210340306 - Yukimura; Noriaki ; et al.	2021-11-04
Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymer Grant 11,161,927 - Yan , et al. November 2, 2	2021-11-02
Polymerization catalyst composition and method of employing same Grant 11,124,589 - Qin , et al. September 21, 2	2021-09-21
Ethylene interpolymer Grant 11,124,591 - Abell , et al. September 21, 2	2021-09-21
Hydroxyaryl functionalized polymers Grant 11,117,987 - Pan , et al. September 14, 2	2021-09-14
Process for producing high cis-1,4-polydiene with lanthanide-based catalyst compositions Grant 11,059,920 - Qin July 13, 2	2021-07-13
Functionalized Polymer, Process For Preparing And Rubber Compositions Containing The Functionalized Polymer App 20210171676 - Yan; Yuan-Yong ; et al.	2021-06-10
Hydroxyaryl functionalized polymers Grant 11,028,195 - Pan , et al. June 8, 2	2021-06-08
Copolymerization of polyenes and alkenes Grant 10,882,933 - Qin January 5, 2	2021-01-05
Functionalized Polymer, Process For Preparing And Rubber Compositions Containing The Functionalized Polymer App 20200362080 - Yan; Yuan-Yong ; et al.	2020-11-19
Polybutadiene Polymers And Rubber Compositions Incorporating Same For Low Temperature Applications App 20200255558 - Kind Code	2020-08-13
Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymer Grant 10,730,985 - Yan , et al.	2020-08-04
Polybutadiene polymers and rubber compositions incorporating same for low temperature applications Grant 10,640,589 - Kim , et al.	2020-05-05
Ethylene Interpolymer App 20200031974 - Abell; Joshua P. ; et al.	2020-01-30
Metallic complex catalyst, polymerization methods employing same and polymer products thereof Grant 10,457,765 - Qin , et al. Oc	2019-10-29
Hydroxyaryl Functionalized Polymers App 20190322777 - Pan; Xiao-Dong ; et al.	2019-10-24
Rubber compositions including siliceous fillers Grant 10,392,497 - Yan , et al. A	2019-08-27
Elastomeric compounds having increased cold flow resistance and methods producing the same Grant 10,370,475 - Pan , et al.	2019-08-06
Hydroxyaryl Functionalized Polymers App 20190233557 - Pan; Xiao-Dong ; et al.	2019-08-01
Process For Producing High Cis-1,4-Polydiene With Lanthanide-Based Catalyst Compositions App 20190169330 - Qin; Zengquan	2019-06-06
Copolymerization Of Polyenes And Alkenes App 20190153134 - Qin; Zengquan	2019-05-23
Hydroxyaryl functionalized polymers Grant 10,227,425 - Yan , et al.	2019-03-12
Process for producing polydienes Grant 10,202,474 - Qin Feb	2019-02-12
Polybutadiene Polymers And Rubber Compositions Incorporating Same For Low Temperature Applications App 20180362679 - Kim; Hyeonjae ; et al.	2018-12-20
Catalyst systems and methods for preparation of 1,4-polybutadiene rubber Grant 10,066,035 - Qin , et al. September 4, 2	2018-09-04
Functionalized Polymer, Process For Preparing And Rubber Compositions Containing The Functionalized Polymer App 20180171053 - Yan; Yuan-Yong ; et al.	2018-06-21
Method of making hydroxyaryl-functionalized interpolymer by free radical initiated polymerization Grant 9,926,400 - Yan , et al. March 27, 2	2018-03-27
Rubber Compositions Including Siliceous Fillers App 20180079891 - Yan; Yuan-Yong ; et al.	2018-03-22
Processes for the preparation of high-cis polydienes Grant 9,868,801 - Qin , et al. January 16, 2	2018-01-16
Rubber compositions including siliceous fillers Grant 9,868,850 - Yan , et al. January 16, 2	2018-01-16
Processes for the preparation of high-cis polydienes Grant 9,803,032 - Qin October 31, 2	2017-10-31
Polymerization Catalyst Composition And Method Of Employing Same App 20170291977 - Qin; Zengquan ; et al.	2017-10-12
Functionalized Polymer App 20170267798 - Qin; Zengquan ; et al.	2017-09-21
Polymers incorporating hydroxyl group-containing methylstyrene Grant 9,738,733 - Qin , et al. August 22, 2	2017-08-22
Copolymerization of propylene oxide and carbon dioxide without production of propylene carbonate Grant 9,683,077 - Coates , et al. June 20, 2	2017-06-20
Catalyst Systems And Methods For Preparation Of 1,4-Polybutadiene Rubber App 20170158787 - Qin; Zengquan ; et al.	2017-06-08
Process for producing polydienes Grant 9,650,456 - McCauley , et al. May 16, 2	2017-05-16
Metallic Complex Catalyst And Polymerization Methods Employing Same App 20170114171 - Abell; Joshua P. ; et al.	2017-04-27
Metallic Complex Catalyst, Polymerization Methods Employing Same And Polymer Products Thereof App 20170114170 - Qin; Zengquan ; et al.	2017-04-27
Process For Producing Polydienes App 20170073443 - QIN; Zengquan	2017-03-16
Functionalized polymer Grant 9,556,297 - Qin , et al. January 31, 2	2017-01-31
Polymers Incorporating Hydroxyl Group-containing Methylstyrene App 20170002105 - Qin; Zengquan ; et al.	2017-01-05
Hydroxyl group-containing methylstyrene and polymers incorporating same Grant 9,469,661 - Qin , et al. October 18, 2	2016-10-18
Lanthanide complex catalyst and polymerization method employing same Grant 9,469,658 - Qin , et al. October 18, 2	2016-10-18
Elastomeric Compounds Having Increased Cold Flow Resistance And Methods Producing The Same App 20160297913 - Pan; Xiao-Dong ; et al.	2016-10-13
Processes For The Preparation Of High-Cis Polydienes App 20160264698 - QIN; ZENGQUAN ; et al.	2016-09-15
Nickel-based catalyst composition Grant 9,422,379 - Qin , et al. August 23, 2	2016-08-23
Organometallic complex catalyst and polymerization method employing same Grant 9,416,205 - Qin , et al. August 16, 2	2016-08-16
Organometallic catalyst complex and polymerization method employing same Grant 9,403,848 - Luo , et al. August 2, 2	2016-08-02
Polymers and use thereof in preparation of high impact polymeric compositions Grant 9,376,508 - Qin , et al. June 28, 2	2016-06-28
Elastomeric compounds having increased cold flow resistance and methods producing the same Grant 9,371,434 - Pan , et al. June 21, 2	2016-06-21
Anionic polymerization initiators and processes Grant 9,365,660 - Yan , et al. June 14, 2	2016-06-14
Processes for the preparation of high-cis polydienes Grant 9,353,205 - Qin , et al. May 31, 2	2016-05-31
Lanthanide complex catalyst and polymerization method employing same Grant 9,273,165 - Qin , et al. March 1, 2	2016-03-01
Bulk polymerization process for producing polydienes Grant 9,228,037 - McCauley , et al. January 5, 2	2016-01-05
Copolymerization Of Propylene Oxide And Carbon Dioxide Without Production Of Propylene Carbonate App 20150307658 - Coates; Geoffrey W. ; et al.	2015-10-29
Processes For The Preparation Of High-Cis Polydienes App 20150299350 - QIN; Zengquan ; et al.	2015-10-22
Organometallic Complex Catalyst And Polymerization Method Employing Same App 20150291711 - Qin; Zengquan ; et al.	2015-10-15
Metal complex catalysts and polymerization methods employing same Grant 9,150,671 - Qin , et al. October 6, 2	2015-10-06
Organometallic Catalyst Complex And Polymerization Method Employing Same App 20150259361 - Luo; Steven ; et al.	2015-09-17
Hydroxyl Group-containing Methylstyrene And Polymers Incorporating Same App 20150252063 - Qin; Zengquan ; et al.	2015-09-10
Rubber Compositions Including Siliceous Fillers App 20150203662 - Yan; Yuan-Yong ; et al.	2015-07-23
Processes for preparation of cyclic and acyclic diene copolymer and rubber composition Grant 9,056,928 - Qin , et al. June 16, 2	2015-06-16
Hydroxyl group-containing methylstyrene and polymers incorporating same Grant 9,051,455 - Qin , et al. June 9, 2	2015-06-09
Hydroxyaryl Functionalized Polymers App 20150141582 - Yan; Yuan-Yong ; et al.	2015-05-21
Process for producing polydienes Grant 9,000,107 - Qin , et al. April 7, 2	2015-04-07
Polymers functionalized with lactones or thiolactones containing a protected amino group Grant 8,993,683 - Luo , et al. March 31, 2	2015-03-31
Hydroxyaryl functionalized polymers Grant 8,946,355 - Yan , et al. February 3, 2	2015-02-03
Process For Producing Polydienes App 20150031845 - McCauley; Kevin M. ; et al.	2015-01-29
Polymers Functionalized With Lactones Or Thiolactones Containing A Protected Amino Group App 20150018488 - Luo; Steven ; et al.	2015-01-15
Functionalized Polymer App 20150011710 - Qin; Zengquan ; et al.	2015-01-08
Bulk Polymerization Process For Producing Polydienes App 20140378630 - McCauley; Kevin M. ; et al.	2014-12-25
Hydroxyaryl functionalized polymers Grant 8,871,871 - Pan , et al. October 28, 2	2014-10-28
Nickel-based Catalyst Composition App 20140316086 - QIN; Zengquan ; et al.	2014-10-23
Process For Preparation Of Cyclic And Acyclic Diene Copolymer And Rubber Composition App 20140288250 - Qin; Zengquan ; et al.	2014-09-25
Polymers functionalized with hydroxyl group-containing diphenylethylene Grant 8,765,888 - Qin , et al. July 1, 2	2014-07-01
Processes for preparation of cyclic and acyclic diene copolymer and rubber composition Grant 8,701,728 - Qin , et al. April 22, 2	2014-04-22
Processes For The Preparation Of High-Cis Polydienes App 20140073751 - Qin; Zengquan	2014-03-13
Catalysts for preparing cis 1,4-polydienes Grant 8,664,343 - Qin , et al. March 4, 2	2014-03-04
Lanthanide Complex Catalyst And Polymerization Method Employing Same App 20140039126 - Qin; Zengquan ; et al.	2014-02-06
Metal Complex Catalysts And Polymerization Methods Employing Same App 20140031502 - Qin; Zengquan ; et al.	2014-01-30
Lanthanide Complex Catalyst And Polymerization Method Employing Same App 20140031503 - Qin; Zengquan ; et al.	2014-01-30
Processing of rubber compositions including siliceous fillers Grant 8,637,600 - Pan , et al. January 28, 2	2014-01-28
Copolymerization Of Propylene Oxide And Carbon Dioxide And Homopolymerization Of Propylene Oxide App 20130165623 - Coates; Geoffrey W. ; et al.	2013-06-27
Nickel-based Catalyst Composition App 20130137838 - QIN; Zengquan ; et al.	2013-05-30
Method of making hydroxyaryl-functionalized interpolymer Grant 8,440,755 - Qin , et al. May 14, 2	2013-05-14
Hydroxyl Group-containing Methylstyrene And Polymers Incorporating Same App 20130090423 - Qin; Zengquan ; et al.	2013-04-11
Nickel-based catalyst composition Grant 8,372,925 - Qin , et al. February 12, 2	2013-02-12
Rubber Compositions Including Siliceous Fillers App 20130035437 - Pan; Xiao-Dong ; et al.	2013-02-07
Processes For Preparation Of Cyclic And Acyclic Diene Copolymer And Rubber Composition App 20120255661 - Qin; Zengquan ; et al.	2012-10-11
Polycarbonates made using highly selective catalysts Grant 8,278,239 - Coates , et al. October 2, 2	2012-10-02
Process For Producing Polydienes App 20120196995 - QIN; Zengquan ; et al.	2012-08-02
Anionic Polymerization Initiators And Processes App 20120136128 - Yan; Yuan-Yong ; et al.	2012-05-31
Method Of Making Hydroxyaryl-functionalized Interpolymer By Free Radical Initiated Polymerization App 20120136091 - Yan; Yuan-Yong ; et al.	2012-05-31
Polymers Functionalized With Hydroxyl Group-containing Diphenlyethylene App 20120130009 - Qin; Zengquan ; et al.	2012-05-24
Copolymerization Of Propylene Oxide And Carbon Dioxide And Homopolymerization Of Propylene Oxide App 20120093706 - Coates; Geoffrey W. ; et al.	2012-04-19
Method of improving affinity between filler and polymers having a low degree of unsaturation Grant 8,158,700 - Chen , et al. April 17, 2	2012-04-17
Elastomeric Compounds Having Increased Cold Flow Resistance And Methods Producing The Same App 20120065315 - PAN; Xiao-Dong ; et al.	2012-03-15
Processing Of Rubber Compositions Including Siliceous Fillers App 20120059113 - Pan; Xiao-Dong ; et al.	2012-03-08
Copolymerization of propylene oxide and carbon dioxide and homopolymerization of propylene oxide Grant 8,093,351 - Coates , et al. January 10, 2	2012-01-10
New Polymers And Use Thereof In Preparation Of High Impact Polymeric Compositions App 20110263794 - Qin; Zengquan ; et al.	2011-10-27
Catalysts For Preparing Cis 1,4-polydienes App 20110184137 - Qin; Zengquan ; et al.	2011-07-28
Method of Making Hydroxyaryl-Functionalized Interpolymer App 20110028632 - Qin; Zengquan ; et al.	2011-02-03
Hydroxyaryl Functionalized Polymers App 20100286348 - Pan; Xiao-Dong ; et al.	2010-11-11
Nickel-based catalysts for preparing high cis 1,4-polydienes Grant 7,820,580 - Qin , et al. October 26, 2	2010-10-26
Polycarbonates Made Using Highly Selective Catalysts App 20100204437 - Coates; Geoffrey W. ; et al.	2010-08-12
Polycarbonates made using highly selective catalysts Grant 7,723,256 - Coates , et al. May 25, 2	2010-05-25
Polycarbonates made using highly selective catalysts Grant 7,674,873 - Coates , et al. March 9, 2	2010-03-09
Nickel-based Catalysts For Preparing High Cis 1,4-polydienes App 20090143551 - Qin; Zengquan ; et al.	2009-06-04
Method Of Improving Affinity Between Filler And Polymers Having A Low Degree Of Unsaturation App 20090062434 - Chen; Zhong-Ren ; et al.	2009-03-05
Polycarbonates made using highly selective catalysts App 20080108499 - Coates; Geoffrey W. ; et al.	2008-05-08
Copolymerization of propylene oxide and carbon dioxide and homopolymerization of propylene oxide App 20080051554 - Coates; Geoffrey W. ; et al.	2008-02-28
Polycarbonates made using highly selective catalysts Grant 7,304,172 - Coates , et al. December 4, 2	2007-12-04
Polycarbonates made using highly selective catalysts App 20070255039 - Coates; Geoffrey W. ; et al.	2007-11-01
Polycarbonates made using highly selective catalysts App 20060089252 - Coates; Geoffrey W. ; et al.	2006-04-27

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