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John Ewen
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Lake Placid, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Heterocyclic metallocenes and polymerization catalysts
Patent number
7,851,644
Issue date
Dec 14, 2010
Basell Polyolefine GmbH
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Transition metal compound, ligand system, catalyst system and proce...
Patent number
7,723,450
Issue date
May 25, 2010
Basell Polyolefine GmbH
Robert L. Jones
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization catalysts, organic transition metal compounds, proce...
Patent number
7,544,749
Issue date
Jun 9, 2009
Basell Polyolefine GmbH
Robert L. Jones
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Organometallic transition metal compound, biscyclopentadienyl ligan...
Patent number
7,504,354
Issue date
Mar 17, 2009
Basell Polyolefine GmbH
Michael J. Elder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Alpha olefin catalyst systems
Patent number
7,332,456
Issue date
Feb 19, 2008
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heterocyclic metallocenes and polymerization catalysts
Patent number
7,238,818
Issue date
Jul 3, 2007
Basell Polyolefine GmbH
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Alpha olefin polymer products and catalyst systems
Patent number
6,872,790
Issue date
Mar 29, 2005
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the polymerization of alpha olefins
Patent number
6,649,712
Issue date
Nov 18, 2003
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metallocene compounds, process for their preparation and their use...
Patent number
6,635,779
Issue date
Oct 21, 2003
Basell Technology Company B.V.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metallocene compounds, process for their preparation and their use...
Patent number
6,444,833
Issue date
Sep 3, 2002
Basell Technology Company B.V.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Open-pentadienyl metallocenes, precursors thereof and polymerizatio...
Patent number
6,403,772
Issue date
Jun 11, 2002
Montell Technology Company, BV
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing hemiisotactic polypropylene
Patent number
6,369,175
Issue date
Apr 9, 2002
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making silicon bridged metallocene compounds and metall...
Patent number
6,344,577
Issue date
Feb 5, 2002
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and catalyst for producing isotactic polyolefins
Patent number
6,262,199
Issue date
Jul 17, 2001
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for polymerizing tactioselective polyolefins in condensed p...
Patent number
6,252,019
Issue date
Jun 26, 2001
Montell Technology Company BV
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Syndiotactic polypropylene
Patent number
6,184,326
Issue date
Feb 6, 2001
Fina Technology, Inc.
Abbas Razavi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stereospecific metallocene catalysts with stereolocking α-cp...
Patent number
6,180,732
Issue date
Jan 30, 2001
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for polymerizing tactioselective polyolefins in condensed p...
Patent number
6,160,072
Issue date
Dec 12, 2000
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for polymerization of olefins with silicon bridged metalloc...
Patent number
6,117,957
Issue date
Sep 12, 2000
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Open-pentadienyl metallocenen ligands, polymerization catalysts/cat...
Patent number
6,069,237
Issue date
May 30, 2000
Montell Technology Company bv
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for olefin polymerization using metallocene catalysts with...
Patent number
5,883,202
Issue date
Mar 16, 1999
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metallocene catalyst systems
Patent number
5,846,896
Issue date
Dec 8, 1998
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerization of alpha-olefins with cationic metallocene catalysts...
Patent number
5,807,939
Issue date
Sep 15, 1998
Fina Technology, Inc.
Michael J. Elder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cationic metallocene catalysts based on organoaluminum anions
Patent number
5,763,549
Issue date
Jun 9, 1998
Fina Technology, Inc.
Michael J. Elder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for controlling the melting points and molecular weights of...
Patent number
5,710,222
Issue date
Jan 20, 1998
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for controlling the melting points and molecular weights of...
Patent number
5,688,735
Issue date
Nov 18, 1997
Fina Technology, Inc.
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst and process for polymerization of olefins
Patent number
5,663,249
Issue date
Sep 2, 1997
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst compounds for olefin polymerization
Patent number
5,633,394
Issue date
May 27, 1997
Exxon Chemical Patents Inc.
Howard C. Welborn
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stereospecific metallocene catalysts with stereolocking .alpha.-CP...
Patent number
5,631,202
Issue date
May 20, 1997
Montell Technology Company bv
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system using aluminum alkyl with ion-pair metallocene cata...
Patent number
5,614,457
Issue date
Mar 25, 1997
Fina Technology, Inc.
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Heterocyclic metallocenes and polymerization catalysts
Publication number
20090286945
Publication date
Nov 19, 2009
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Heterocyclic metallocenes and polymerization catalysts
Publication number
20080090978
Publication date
Apr 17, 2008
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Transition Metal Compound, Ligand System, Catalyst System and Proce...
Publication number
20070260023
Publication date
Nov 8, 2007
Basell Polyolefine GmbH
Robert L. Jones
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Organometallic Transition Metal Compound, Biscyclopentadienyl Ligan...
Publication number
20070260025
Publication date
Nov 8, 2007
Basell Polyolefine GmbH
Michael J. Elder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymerization catalysts, organic transition metal compounds, proce...
Publication number
20060100092
Publication date
May 11, 2006
Basell Polyolefine GmbH
Robert L Jones
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Heterocyclic metallocenes and polymerization catalysts
Publication number
20050192418
Publication date
Sep 1, 2005
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Alpha olefin catalyst systems
Publication number
20050165184
Publication date
Jul 28, 2005
John A. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for varying the melting points and molecular weights of poly...
Publication number
20020193537
Publication date
Dec 19, 2002
John A. Ewen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Alpha olefin polymer products and catalyst systems
Publication number
20020111444
Publication date
Aug 15, 2002
John A. Ewen
C07 - ORGANIC CHEMISTRY