XIA; Xianzhi

Patent Applications and Registrations

Patent applications and USPTO patent grants for XIA; Xianzhi.The latest application filed is for "catalyst system for olefin polymerization and use thereof".

Company Profile

3.15.16

XIA; Xianzhi - Beijing CN

*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
Catalyst System For Olefin Polymerization And Use Thereof App 20220251016 - LIN; Jie ; et al.	2022-08-11
Carrier For Olefin Polymerization Catalyst, And Preparation Method Therefor And Application Thereof App 20210371552 - LING; Yongtai ; et al.	2021-12-02
Catalyst Component And Catalyst For Olefin Polymerization, And Application Thereof App 20210340165 - ZHAO; Jin ; et al.	2021-11-04
Catalyst pre-contact device for continuous polymerization of olefins and method for catalyst pre-contact Grant 10,988,553 - Xia , et al. April 27, 2	2021-04-27
Catalyst Pre-contact Device For Continuous Polymerization Of Olefins And Method For Catalyst Pre-contact App 20190218314 - XIA; Xianzhi ; et al.	2019-07-18
Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom Grant 10,239,969 - Xia , et al.	2019-03-26
Spherical carriers for olefin polymerization catalyst, catalyst components, catalyst, and preparation methods therefor Grant 9,951,157 - Li , et al. April 24, 2	2018-04-24
Catalyst component for olefin polymerization, preparation method thereof, and catalyst comprising same Grant 9,809,663 - Xia , et al. November 7, 2	2017-11-07
Spherical Magnesium Halide Adduct, A Catalyst Component And A Catalyst For Olefin Polymerization Prepared Therefrom App 20170101486 - XIA; Xianzhi ; et al.	2017-04-13
Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom Grant 9,499,569 - Xia , et al. November 22, 2	2016-11-22
Catalyst Component For Olefin Polymerization, Preparation Method Thereof, And Catalyst Comprising Same App 20160264694 - Xia; Xianzhi ; et al.	2016-09-15
Spherical Carriers For Olefin Polymerization Catalyst, Catalyst Components, Catalyst, And Preparation Methods Therefor App 20160251457 - Li; Weili ; et al.	2016-09-01
Catalyst component for olefin polymerization and preparation method thereof Grant 9,353,197 - Xia , et al. May 31, 2	2016-05-31
Carrier for olefin polymerization catalyst, preparation method and application thereof Grant 9,321,857 - Li , et al. April 26, 2	2016-04-26
Catalyst component for olefin polymerization and catalyst comprising the same Grant 9,243,086 - Li , et al. January 26, 2	2016-01-26
Magnesium halide adducts, catalyst components and catalysts comprising the same, and preparation processes thereof Grant 9,068,026 - Xia , et al. June 30, 2	2015-06-30
Magnesium Halide Adducts, Catalyst Components And Catalysts Comprising The Same, And Preparation Processes Thereof App 20120302708 - XIA; Xianzhi ; et al.	2012-11-29
Carrier For Olefin Polymerization Catalyst, Preparation Method And Application Thereof App 20120264590 - Li; Weili ; et al.	2012-10-18
Catalyst Component For Olefin Polymerization And Catalyst Comprising The Same App 20120252992 - Li; Weili ; et al.	2012-10-04
Catalyst Component For Olefin Polymerization And Preparation Method Thereof App 20120226004 - Xia; Xianzhi ; et al.	2012-09-06
Spherical Magnesium Halide Adduct, A Catalyst Component And A Catalyst For Olefin Polymerization Prepared Therefrom App 20120184694 - Xia; Xianzhi ; et al.	2012-07-19
Magnesium Halide Complexes, Catalyst Components And Catalysts For Olefin Polymerization Prepared Therefrom App 20100099833 - Xia; Xianzhi ; et al.	2010-04-22
Catalyst component and catalyst for olefin polymerization as well as use thereof Grant 7,332,455 - Wei , et al. February 19, 2	2008-02-19
Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same App 20060154806 - Chen; Wei ; et al.	2006-07-13
Catalyst component and catalyst for olefin polymerization as well as use thereof App 20050119427 - Wei, Chen ; et al.	2005-06-02
Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same App 20040229748 - Chen, Wei ; et al.	2004-11-18

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