loadpatents
name:-0.025464057922363
name:-0.02312183380127
name:-0.00041699409484863
Knoeppel; David Patent Filings

Knoeppel; David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Knoeppel; David.The latest application filed is for "ziegler-natta catalysts doped with non-group iv metal chlorides".

Company Profile
0.29.26
  • Knoeppel; David - League City TX
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Ziegler-natta catalysts doped with non-Group IV metal chlorides
Grant 10,294,311 - Zhang , et al.
2019-05-21
Ziegler-natta Catalysts Doped With Non-group Iv Metal Chlorides
App 20180265603 - Zhang; Lei ;   et al.
2018-09-20
Ziegler-Natta catalysts doped with non-group IV metal chlorides
Grant 9,944,724 - Zhang , et al. April 17, 2
2018-04-17
Crosslinking control in high impact polystyrene manufacturing process
Grant 9,593,186 - Wang , et al. March 14, 2
2017-03-14
Increasing rubber phase volume in rubber-modified polystyrene
Grant 9,527,945 - DeAnda , et al. December 27, 2
2016-12-27
Ziegler-natta Catalysts Doped With Non-group Iv Metal Chlorides
App 20160272732 - ZHANG; Lei ;   et al.
2016-09-22
Ziegler-Natta catalyst systems and polymers formed therefrom
Grant 9,416,202 - Vizzini , et al. August 16, 2
2016-08-16
Ziegler-Natta catalysts doped with non-group IV metal chlorides
Grant 9,382,347 - Zhang , et al. July 5, 2
2016-07-05
Crosslinking Control In High Impact Polystyrene Manufacturing Process
App 20160032029 - Wang; Wei ;   et al.
2016-02-04
Crosslinking control in high impact polystyrene manufacturing process
Grant 9,193,839 - Wang , et al. November 24, 2
2015-11-24
Increasing Rubber Phase Volume in Rubber-Modified Polystyrene
App 20150307644 - DeAnda; Carlos ;   et al.
2015-10-29
Crosslinking Control In High Impact Polystyrene Manufacturing Process
App 20150259481 - Wang; Wei ;   et al.
2015-09-17
Increasing rubber phase volume in rubber-modified polystyrene
Grant 9,120,889 - DeAnda , et al. September 1, 2
2015-09-01
Methods of making styrenic polymeric compositions and methods of using same
Grant 9,012,568 - Knoeppel April 21, 2
2015-04-21
Increasing Rubber Phase Volume in Rubber-Modified Polystyrene
App 20140323654 - DeAnda; Carlos ;   et al.
2014-10-30
Bimodal pipe resin and products made therefrom
Grant 8,859,703 - Coffy , et al. October 14, 2
2014-10-14
Increasing rubber phase volume in rubber-modified polystyrene
Grant 8,822,597 - DeAnda , et al. September 2, 2
2014-09-02
Ziegler-natta catalyst systems and polymers formed therefrom
Grant 8,592,535 - Vizzini , et al. November 26, 2
2013-11-26
Heat-treated Ziegler-Natta catalysts for ethylene polymerization
Grant 8,501,653 - Zhang , et al. August 6, 2
2013-08-06
High melt strength polystyrene and methods of making same
Grant 8,383,751 - Wang , et al. February 26, 2
2013-02-26
Increasing Rubber Phase Volume in Rubber-Modified Polystyrene
App 20120277375 - DeAnda; Carlos ;   et al.
2012-11-01
Methods Of Making Styrenic Polymeric Compositions And Methods Of Using Same
App 20120245285 - Knoeppel; David
2012-09-27
Preparation of supported chromium catalyst and polymerization process
Grant 8,268,943 - McCormick , et al. September 18, 2
2012-09-18
Preparation of supported chromium catalyst and polymerization process
Grant 8,258,246 - McCormick , et al. September 4, 2
2012-09-04
Ziegler-natta Catalysts Doped With Non-group Iv Metal Chlorides
App 20120208969 - ZHANG; LEI ;   et al.
2012-08-16
Preparation Of Supported Chromium Catalyst And Polymerization Process
App 20120208694 - McCormick; Ricky ;   et al.
2012-08-16
Heat-treated Ziegler-natta Catalysts For Ethylene Polymerization
App 20120208970 - ZHANG; LEI ;   et al.
2012-08-16
Multi-component Catalyst Systems Including Chromium Based Catalysts And Polymerization Processes For Forming Polyolefins
App 20120108769 - McCormick; Ricky ;   et al.
2012-05-03
Bimodal Pipe Resin And Products Made Therefrom
App 20120091621 - Coffy; Tim ;   et al.
2012-04-19
Ziegler-Natta Catalyst Systems and Polymers Formed Therefrom
App 20120083405 - Vizzini; Kayo ;   et al.
2012-04-05
Bimodal pipe resin and products made therefrom
Grant 8,110,644 - Coffy , et al. February 7, 2
2012-02-07
Polymerization Process Utilizing Hydrogen
App 20110313116 - Knoeppel; David
2011-12-22
Methods of making styrenic polymeric compositions and methods of using same
Grant 8,063,139 - Knoeppel November 22, 2
2011-11-22
Ziegler-natta Catalyst
App 20110275509 - Vizzini; Kayo ;   et al.
2011-11-10
Ziegler-Natta catalyst
Grant 8,003,741 - Vizzini , et al. August 23, 2
2011-08-23
Ziegler-Natta Catalyst Systems and Polymers Formed Therefrom
App 20110172379 - Vizzini; Kayo ;   et al.
2011-07-14
Bimodal Pipe Resin and Products Made Therefrom
App 20100267909 - Coffy; Tim ;   et al.
2010-10-21
Polyethylene Films having Improved Barrier Properties
App 20100210797 - Gray; Steven ;   et al.
2010-08-19
Methods of making styrenic polymeric compositions and methods of using same
App 20100184920 - Knoeppel; David
2010-07-22
Ziegler-Natta catalyst
App 20090203856 - Vizzini; Kayo ;   et al.
2009-08-13
Preparation of supported chromium catalyst and polymerization process
App 20090198026 - McCormick; Ricky ;   et al.
2009-08-06
Methods for Improving Heat Transfer in Polymerization Processes
App 20090131616 - Knoeppel; David ;   et al.
2009-05-21
Formation of Ziegler-Natta catalyst
Grant 7,473,664 - Vizzini , et al. January 6, 2
2009-01-06
Bimodal Pipe Resin And Products Made Therefrom
App 20080051538 - COFFY; TIM ;   et al.
2008-02-28
Formation of Ziegler-Natta catalyst
App 20070299224 - Vizzini; Kayo ;   et al.
2007-12-27
Cocatalysts for reduction of production problems in metallocene-catalyzed polymerizations
Grant 7,282,546 - Gray , et al. October 16, 2
2007-10-16
Cocatalysts for reduction of production problems in metallocene-catalyzed polymerizations
App 20060293472 - Gray; Steven ;   et al.
2006-12-28

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