| Patent | Date |
|---|
Procatalyst composition made with a combination of internal electron donors
Grant 11,014,995 - Elder , et al. May 25, 2 | 2021-05-25 |
Procatalyst Composition Made With A Combination Of Internal Electron Donors
App 20190211118 - Elder; Michael J. ; et al. | 2019-07-11 |
Process of making modified metallocene catalyst, catalyst produced and use thereof
Grant 9,045,569 - Jensen , et al. June 2, 2 | 2015-06-02 |
Process Of Making Modified Metallocene Catalyst, Catalyst Produced And Use Thereof
App 20130289227 - Jensen; Michael D. ; et al. | 2013-10-31 |
Heterocyclic metallocenes and polymerization catalysts
Grant 7,851,644 - Ewen , et al. December 14, 2 | 2010-12-14 |
Transition metal compound, ligand system, catalyst system and process for preparing polyolefins
Grant 7,723,450 - Jones , et al. May 25, 2 | 2010-05-25 |
Heterocyclic metallocenes and polymerization catalysts
App 20090286945 - Ewen; John A. ; et al. | 2009-11-19 |
Metallocene Compounds
App 20090234084 - Elder; Michael J. ; et al. | 2009-09-17 |
Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins
Grant 7,544,749 - Jones , et al. June 9, 2 | 2009-06-09 |
Preparation of heterocyclic ketones
Grant 7,531,672 - Elder , et al. May 12, 2 | 2009-05-12 |
Process for preparing low molecular weight olefin polymers, organometallic transition metal compounds biscyclopentadienyl ligand systems and catalyst systems
App 20090082533 - Elder; Michael J. | 2009-03-26 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins
Grant 7,504,354 - Elder , et al. March 17, 2 | 2009-03-17 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins
Grant 7,452,949 - Okumura , et al. November 18, 2 | 2008-11-18 |
Heterocyclic metallocenes and polymerization catalysts
App 20080090978 - Ewen; John A. ; et al. | 2008-04-17 |
Organometallic Transition Metal Compound, Biscyclopentadienyl Ligand System, Catalyst System and Process for Preparing Polyolefins
App 20070260025 - Elder; Michael J. ; et al. | 2007-11-08 |
Transition Metal Compound, Ligand System, Catalyst System and Process for Preparing Polyolefins
App 20070260023 - Jones; Robert L. ; et al. | 2007-11-08 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins
App 20070155919 - Okumura; Yoshikuni ; et al. | 2007-07-05 |
Heterocyclic metallocenes and polymerization catalysts
Grant 7,238,818 - Ewen , et al. July 3, 2 | 2007-07-03 |
Preparation of heterocyclic ketones
App 20070142649 - Elder; Michael J. ; et al. | 2007-06-21 |
Metallocene compounds and process for the preparation of propylene polymers
Grant 7,141,637 - Elder , et al. November 28, 2 | 2006-11-28 |
Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins
App 20060100092 - Jones; RobertL ; et al. | 2006-05-11 |
Heterocyclic metallocenes and polymerization catalysts
App 20050192418 - Ewen, John A. ; et al. | 2005-09-01 |
Metallocene compounds and process for the preparation of propylene polymers
App 20050010058 - Elder, Michael J ; et al. | 2005-01-13 |
Method of determining answer supervision at a line appearance of a public switch telephone network
Grant 6,810,120 - Elder , et al. October 26, 2 | 2004-10-26 |
Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins
Grant 6,635,779 - Ewen , et al. October 21, 2 | 2003-10-21 |
Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins
Grant 6,444,833 - Ewen , et al. September 3, 2 | 2002-09-03 |
Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom
Grant 6,403,772 - Ewen , et al. June 11, 2 | 2002-06-11 |
Process and catalyst for producing isotactic polyolefins
Grant 6,262,199 - Ewen , et al. July 17, 2 | 2001-07-17 |
Process for olefin polymerization using metallocene catalysts with Lewis acids and aluminum alkyls
Grant 5,883,202 - Ewen , et al. March 16, 1 | 1999-03-16 |
Method for controlling the melting points and molecular weights of syndiotactic polyolefins using metallocene catalyst systems
Grant 5,710,222 - Ewen , et al. January 20, 1 | 1998-01-20 |
Method for controlling the melting points and molecular weights of syndiotactic polyolefins using metallocene catalyst systems
Grant 5,688,735 - Ewen , et al. November 18, 1 | 1997-11-18 |
Catalyst and process for polymerization of olefins
Grant 5,663,249 - Ewen , et al. September 2, 1 | 1997-09-02 |
Catalyst system using aluminum alkyl with ion-pair metallocene catalysts
Grant 5,614,457 - Ewen , et al. March 25, 1 | 1997-03-25 |
Metallocene catalysts with lewis acids and aluminum alkyls
Grant 5,561,092 - Ewen , et al. October 1, 1 | 1996-10-01 |
Addition of aluminum alkyl for improved metallocene catalyst
Grant 5,519,100 - Ewen , et al. May 21, 1 | 1996-05-21 |
Process and catalyst for producing isotactic polyolefins
Grant 5,416,228 - Ewen , et al. May 16, 1 | 1995-05-16 |
Method of making a homogeneous-heterogenous catalyst system for olefin polymerization
Grant 5,395,810 - Shamshoum , et al. March 7, 1 | 1995-03-07 |
Preparation of metallocene catalysts for polymerization of olefins
Grant 5,387,568 - Ewen , et al. February 7, 1 | 1995-02-07 |
Process and catalyst for producing syndiotactic polyolefins
Grant 5,225,500 - Elder , et al. July 6, 1 | 1993-07-06 |
Process and catalyst for producing syndiotactic polyolefins
Grant 5,155,080 - Elder , et al. * October 13, 1 | 1992-10-13 |
| 