Diefenbach; Steven P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Diefenbach; Steven P..The latest application filed is for "activator compositions, their preparation, and their use in catalysts".

Company Profile

2.28.19

Diefenbach; Steven P. - Baton Rouge LA

*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
Activator Compositions, Their Preparation, And Their Use In Catalysts App 20190153135 - Diefenbach; Steven P. ; et al.	2019-05-23
Activator compositions, their preparation, and their use in catalysts Grant 10,221,264 - Diefenbach , et al.	2019-03-05
Aluminoxane catalyst activators containing carbocation agents, and use thereof in polyolefin catalysts Grant 9,090,720 - Luo , et al. July 28, 2	2015-07-28
Activator Compositions, Their Preparation, And Their Use In Catalysts App 20150105238 - Diefenbach; Steven P. ; et al.	2015-04-16
Aluminoxane Catalyst Activators Containing Carbocation Agents, and use thereof in Polyolefin Catalysts App 20130345376 - Luo; Lubin ; et al.	2013-12-26
Aluminoxane catalyst activators derived from dialkylaluminum cation precursor agents, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 8,575,284 - Luo , et al. November 5, 2	2013-11-05
Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 8,501,655 - Luo , et al. August 6, 2	2013-08-06
Aluminoxane Catalyst Activators Derived From Dialkylalumium Cation Precursor Agents, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20130029834 - Luo; Lubin ; et al.	2013-01-31
Aluminoxane catalyst activators derived from dialkylaluminum cation precursor agents, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 8,354,485 - Luo , et al. January 15, 2	2013-01-15
Ionic bronsted acid Grant 8,088,952 - Luo , et al. January 3, 2	2012-01-03
Aluminoxane compositions, their preparation, and their use in catalysis Grant 7,960,488 - Luo , et al. June 14, 2	2011-06-14
Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 7,928,172 - Luo , et al. April 19, 2	2011-04-19
Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 7,902,390 - Wang , et al. March 8, 2	2011-03-08
Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins Grant 7,897,707 - Luo , et al. March 1, 2	2011-03-01
Catalyst Activators, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20100093958 - Luo; Lubin ; et al.	2010-04-15
Catalyst Activators, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20100036072 - Luo; Lubin ; et al.	2010-02-11
Catalyst Activators, Processes for Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20100029470 - Luo; Lubin ; et al.	2010-02-04
Catalyst Activators, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20100010181 - Luo; Lubin ; et al.	2010-01-14
Ionic Bronsted Acid App 20090326273 - Luo; Lubin ; et al.	2009-12-31
Catalyst Activators, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20090270571 - Wang; Zhike ; et al.	2009-10-29
Aluminoxane Compositions, Their Preparation, And Their Use In Catalysis App 20090088541 - Luo; Lubin ; et al.	2009-04-02
Aluminoxane Catalyst Activators Derived From Dialkylaluminum Cation Precursor Agents, Processes For Making Same, And Use Thereof In Catalysts And Polymerization Of Olefins App 20090062492 - Luo; Lubin ; et al.	2009-03-05
Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins App 20080300372 - Luo; Lubin ; et al.	2008-12-04
Haloaluminoxane compositions, their preparation, and their use in catalysis Grant 7,355,058 - Luo , et al. April 8, 2	2008-04-08
Haloaluminoxane compositions, their preparation, and their use in catalysis Grant 7,193,100 - Sangokoya , et al. March 20, 2	2007-03-20
Haloaluminoxane compositions, their preparation, and their use in catalysis App 20060287448 - Luo; Lubin ; et al.	2006-12-21
Haloaluminoxane compositions, their preparation, and their use in catalysis App 20050143254 - Sangokoya, Samuel A. ; et al.	2005-06-30
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use Grant 6,746,981 - Diefenbach June 8, 2	2004-06-08
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use Grant 6,730,758 - Diefenbach May 4, 2	2004-05-04
Process of producing self-supported catalysts Grant 6,677,265 - Kneale , et al. January 13, 2	2004-01-13
Particulate Group 4 Metallocene-aluminoxane Catalyst Compositions Devoid Of Preformed Support, And Their Preparation And Their Use App 20030191254 - Diefenbach, Steven P.	2003-10-09
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use App 20030105253 - Diefenbach, Steven P.	2003-06-05
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use Grant 6,551,955 - Diefenbach April 22, 2	2003-04-22
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use Grant 6,521,728 - Diefenbach February 18, 2	2003-02-18
Particulate group 4 metallocene-aluminoxane catalyst compositions devoid of preformed support, and their preparation and their use Grant 6,294,496 - Diefenbach September 25, 2	2001-09-25
Heat treated alumoxanes Grant 6,034,024 - Krzystowczyk , et al. March 7, 2	2000-03-07
Use of heat treated alumoxanes in preparing supported catalysts Grant 5,739,368 - Krzystowczyk , et al. April 14, 1	1998-04-14
Aluminum alkyls and linear 1-olefins from internal olefins Grant 5,124,465 - Allen , et al. June 23, 1	1992-06-23
Method of producing polysilane compounds Grant 5,003,100 - Berris , et al. March 26, 1	1991-03-26
Nickel catalyzed displacement reaction Grant 4,918,254 - Diefenbach , et al. April 17, 1	1990-04-17
Method of making aluminum alkyls Grant 4,364,872 - Diefenbach December 21, 1	1982-12-21

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