Duan; Ruilin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duan; Ruilin.The latest application filed is for "catalyst component for olefin polymerization, catalyst, and use thereof".

Company Profile

3.8.6

Duan; Ruilin - 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 component for olefin polymerization, catalyst, and use thereof Grant 11,325,994 - Wang , et al. May 10, 2	2022-05-10
Catalyst Component For Olefin Polymerization, Catalyst, And Use Thereof App 20190211119 - WANG; Jun ; et al.	2019-07-11
Catalyst component for olefin polymerization, and catalyst containing the same Grant 10,208,145 - Gao , et al. Feb	2019-02-19
Catalyst component for propene polymerization, preparation method thereof, and catalyst containing the same Grant 10,184,017 - Wang , et al. Ja	2019-01-22
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, and Catalyst Containing the Same App 20170073441 - GAO; Mingzhi ; et al.	2017-03-16
Catalyst Component for Propene Polymerization, Preparation Method Thereof, and Catalyst Containing the Same App 20170044280 - WANG; Jun ; et al.	2017-02-16
Spherical Carriers For Olefin Polymerization Catalyst, Catalyst Components, Catalyst, And Preparation Methods Therefor App 20160251457 - Li; Weili ; et al.	2016-09-01
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
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

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