Leung; Tak W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leung; Tak W..The latest application filed is for "production of high melt flow propylene-based polymer and product from same".

Company Profile

3.40.40

Leung; Tak W. - Houston TX
Leung; Tak W. - Charleston WV

*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
Production Of High Melt Flow Propylene-based Polymer And Product From Same App 20220177611 - Chen; Linfeng ; et al.	2022-06-09
Process for production of high melt flow propylene-based polymer and product from same Grant 11,254,756 - Chen , et al. February 22, 2	2022-02-22
Process For Production of High Melt Flow Propylene-Based Polymer and Product From Same App 20190338054 - Chen; Linfeng ; et al.	2019-11-07
Process for production of high melt flow propylene-based polymer and product from same Grant 10,358,505 - Chen , et al.	2019-07-23
Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method Grant 9,534,063 - Chen , et al. January 3, 2	2017-01-03
Procatalyst Composition With Substituted 1,2-Phenylene Aromatic Diester Internal Donor and Method App 20160280808 - Chen; Linfeng ; et al.	2016-09-29
Procatalyst composition with substituted amide ester internal electron donor Grant 9,441,058 - Chen , et al. September 13, 2	2016-09-13
Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method Grant 9,434,799 - Chen , et al. September 6, 2	2016-09-06
Procatalyst composition with alkoxypropyl ester internal electron donor and polymer from same Grant 9,382,343 - Chen , et al. July 5, 2	2016-07-05
Procatalyst composition with alkoxyalkyl 2-propenoate internal electron donor and polymer from same Grant 9,382,342 - Chen , et al. July 5, 2	2016-07-05
Process for producing procatalyst composition with alkoxyalkyl ester internal electron donor and product Grant 9,315,592 - Chen , et al. April 19, 2	2016-04-19
Production Of Substituted Phenylene Dibenzoate Internal Electron Donor And Procatalyst With Same App 20150344597 - Gullo; Michael F. ; et al.	2015-12-03
Procatalyst Composition With Substituted 1,2-phenylene Aromatic Diester Internal Donor And Method App 20150299346 - Chen; Linfeng ; et al.	2015-10-22
Production of substituted phenylene dibenzoate internal electron donor and procatalyst with same Grant 9,133,286 - Gullo , et al. September 15, 2	2015-09-15
Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method Grant 9,045,570 - Chen , et al. June 2, 2	2015-06-02
Procatalyst Composition with Substituted Amide Ester Internal Electron Donor App 20140163184 - Chen; Linfeng ; et al.	2014-06-12
Catalyst composition with halo-malonate internal electron donor and polymer from same Grant 8,697,827 - Chen , et al. April 15, 2	2014-04-15
Procatalyst Composition with Alkoxyalkyl 2-Propenoate Internal Electron Donor and Polymer from Same App 20140046009 - Chen; Linfeng ; et al.	2014-02-13
Three and four atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture Grant 8,633,126 - Coalter, III , et al. January 21, 2	2014-01-21
Production of Substituted Phenylene Aromatic Diesters App 20140012035 - Chen; Linfeng ; et al.	2014-01-09
Procatalyst Composition with Substituted 1,2-Phenylene Aromatic Diester Internal Donor and Method App 20140011670 - Chen; Linfeng ; et al.	2014-01-09
Procatalyst composition with substituted amide ester internal electron donor Grant 8,604,144 - Chen , et al. December 10, 2	2013-12-10
Production of substituted phenylene aromatic diesters and compositions Grant 8,604,235 - Chen , et al. December 10, 2	2013-12-10
Procatalyst Composition with Alkoxypropyl Ester Internal Electron Donor and Polymer from Same App 20130289228 - Chen; Linfeng ; et al.	2013-10-31
Amide ester internal electron donor and process Grant 8,551,903 - Chen , et al. October 8, 2	2013-10-08
Process for Production of High Melt Flow Propylene-Based Polymer and Product from Same App 20130261273 - Chen; Linfeng ; et al.	2013-10-03
Two Atom Bridged Dicarbonate Compounds As Internal Donors In Catalysts For Polypropylene Manufacture App 20130245306 - Coalter, III; Joseph N. ; et al.	2013-09-19
Procatalyst composition with alkoxyalkyl 2-propenoate internal electron donor and polymer from same Grant 8,536,290 - Chen , et al. September 17, 2	2013-09-17
Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method Grant 8,536,372 - Chen , et al. September 17, 2	2013-09-17
Process for Producing Procatalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Product App 20130225398 - Chen; Linfeng ; et al.	2013-08-29
Production of substituted phenylene aromatic diesters Grant 8,507,717 - Leung , et al. August 13, 2	2013-08-13
Halogenated amide ester and internal electron donor with same Grant 8,466,081 - Chen , et al. June 18, 2	2013-06-18
Catalyst Composition with Halo-Malonate Internal Electron Donor and Polymer From Same App 20130150234 - Chen; Linfeng ; et al.	2013-06-13
Production of Substituted Phenylene Dibenzoate Internal Electron Donor and Procatalyst with Same App 20130053525 - Gullo; Michael F. ; et al.	2013-02-28
Catalyst composition with halo-malonate internal electron donor and polymer from same Grant 8,383,540 - Chen , et al. February 26, 2	2013-02-26
Thermoformed article with high stiffness and good optics Grant 8,378,045 - Kaarto , et al. February 19, 2	2013-02-19
Procatalyst Composition with Substituted 1,2-Phenylene Aromatic Diester Internal Donor and Method App 20130035227 - Chen; Linfeng ; et al.	2013-02-07
Procatalyst Composition with Substituted Amide Ester Internal Electron Donor App 20120322962 - Chen; Linfeng ; et al.	2012-12-20
Halogenated Amide Ester and Internal Electron Donor with Same App 20120322964 - Chen; Linfeng ; et al.	2012-12-20
Amide Ester Internal Electron Donor and Process App 20120316299 - Chen; Linfeng ; et al.	2012-12-13
Procatalyst composition with adamantane and method Grant 8,288,304 - Chen , et al. October 16, 2	2012-10-16
Procatalyst composition with substitute 1,2-phenylene aromatic diester internal donor and method Grant 8,288,585 - Chen , et al. October 16, 2	2012-10-16
Two atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture Grant 8,263,520 - Coalter, III , et al. September 11, 2	2012-09-11
Procatalyst composition with silyl glutarate and method Grant 8,247,341 - Gonzalez , et al. August 21, 2	2012-08-21
Procatalyst Composition with Alkoxyalkyl 2-Propenoate Internal Electron Donor and Polymer from Same App 20120157643 - Chen; Linfeng ; et al.	2012-06-21
Procatalyst Composition with Alkoxypropyl Ester Internal Electron Donor and Polymer From Same App 20120157645 - Chen; Linfeng ; et al.	2012-06-21
Process for Producing Procatalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Product App 20120157295 - Chen; Linfeng ; et al.	2012-06-21
Catalyst Composition with Halo-Malonate Internal Electron Donor and Polymer From Same App 20120157296 - Chen; Linfeng ; et al.	2012-06-21
Procatalyst composition including silyl ester internal donor and method Grant 8,088,872 - Chen , et al. January 3, 2	2012-01-03
Two Atom Bridged Dicarbonate Compounds As Internal Donors In Catalysts For Polypropylene Manufacture App 20110130530 - Coalter, III; Joseph N. ; et al.	2011-06-02
Three And Four Atom Bridged Dicarbonate Compounds As Internal Donors In Catalysts For Polypropylene Manufacture App 20110130529 - Coalter, III; Joseph N. ; et al.	2011-06-02
Thermoformed Article with High Stiffness and Good Optics App 20100301059 - Kaarto; John ; et al.	2010-12-02
Procatalyst Composition with Adamantane and Method App 20100273966 - Chen; Linfeng ; et al.	2010-10-28
Procatalyst Composition with Silyl Glutarate and Method App 20100267911 - Gonzalez; Kelly ; et al.	2010-10-21
Procatalyst Composition with Substitute 1,2-Phenylene Aromatic Diester Internal Donor and Method App 20100222530 - Chen; Linfeng ; et al.	2010-09-02
Production of Substituted Phenylene Aromatic Diesters and Compositions App 20100204506 - Chen; Linfeng ; et al.	2010-08-12
Production of Substituted Phenylene Aromatic Diesters App 20100174105 - Leung; Tak W. ; et al.	2010-07-08
Procatalyst Composition Including Silyl Ester Internal Donor and Method App 20100130709 - Chen; Linfeng ; et al.	2010-05-27
Olefin polymerization procatalyst compositions and method of preparation App 20070191558 - Gonzalez; Kelly A. ; et al.	2007-08-16
Hydroformylation process Grant 5,288,918 - Maher , et al. February 22, 1	1994-02-22

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