Sean W. Ewart

Person

Pearland, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for polymer production
- Patent number 11,608,390
- Issue date Mar 21, 2023
- Dow Global Technologies LLC
- Maria Pollard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ziegler-Natta catalyst deactivation and neutralization
- Patent number 11,236,182
- Issue date Feb 1, 2022
- Dow Global Technologies LLC
- Evelyn Auyeung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for isomer reduction during polymerization and system for ac...
- Patent number 11,192,969
- Issue date Dec 7, 2021
- Dow Global Technologies LLC
- Daniela Ferrari
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricant treatments for free-radical polymerizations
- Patent number 11,078,441
- Issue date Aug 3, 2021
- Dow Global Technologies LLC
- Sean W. Ewart
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing functionalized ethylene-based polymers with a...
- Patent number 10,730,987
- Issue date Aug 4, 2020
- Dow Global Technologies LLC
- Mehmet Demirors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process to make tubular ethylene based polymers with high G′ and br...
- Patent number 10,730,977
- Issue date Aug 4, 2020
- Dow Global Technologies LLC
- Otto J. Berbee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making ethylene-based polymers using carbon-carbon free...
- Patent number 10,647,789
- Issue date May 12, 2020
- Dow Global Technologies LLC
- Sean Ewart
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process to make tubular ethylene based polymers with high melt stre...
- Patent number 10,465,024
- Issue date Nov 5, 2019
- Dow Global Technologies LLC
- Otto J. Berbee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process to form ethylene/α-olefin interpolymers
- Patent number 10,336,846
- Issue date Jul 2, 2019
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing a modified ethylene-based polymer using a hyd...
- Patent number 10,336,893
- Issue date Jul 2, 2019
- Dow Global Technologies LLC
- Teresa Karjala
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process to visbreak propylene-based polymers with C—C initiators
- Patent number 10,316,115
- Issue date Jun 11, 2019
- Dow Global Technologies LLC
- Teresa P. Karjala
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene based interpolymers and composition comprising the same
- Patent number 10,160,817
- Issue date Dec 25, 2018
- Dow Global Technologies LLC
- Liam P. Spencer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricant compositions for improved high pressure free-radical poly...
- Patent number 10,144,898
- Issue date Dec 4, 2018
- Dow Global Technologies LLC
- Bryan Gutermuth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to form ethylene-based polymers using asymmetrical polyenes
- Patent number 10,005,863
- Issue date Jun 26, 2018
- Dow Global Technologies LLC
- Otto J. Berbee
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Bis-biphenylphenoxy catalysts for polymerization of low molecular w...
- Patent number 9,975,975
- Issue date May 22, 2018
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to control fouling and improve compositions
- Patent number 9,932,425
- Issue date Apr 3, 2018
- Dow Global Technologies LLC
- Anthony J. Castelluccio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making ethylene-based polymers using hydrocarbon initia...
- Patent number 9,777,083
- Issue date Oct 3, 2017
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to improve reactor stability for the preparation of ethyl...
- Patent number 9,751,964
- Issue date Sep 5, 2017
- Dow Global Technologies LLC
- Christopher R. Eddy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to form ethylene-based polymers using asymmetrical polyenes
- Patent number 9,718,906
- Issue date Aug 1, 2017
- Dow Global Technologies LLC
- Otto J. Berbee
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for increasing the melt strength of a polyethylene resin, a...
- Patent number 9,714,326
- Issue date Jul 25, 2017
- Dow Global Technologies LLC
- Mehmet Demirors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-based polymers and processes to make the same
- Patent number 9,428,595
- Issue date Aug 30, 2016
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-based polymers with improved melt strength and processes f...
- Patent number 9,388,260
- Issue date Jul 12, 2016
- Dow Global Technologies LLC
- John O. Osby
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Free-radical processes to make ethylene-based polymers using alklya...
- Patent number 9,328,180
- Issue date May 3, 2016
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to prepare ethylene-based polymer compositions
- Patent number 9,045,628
- Issue date Jun 2, 2015
- Dow Global Technologies LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oligomerisation of olefinic compounds in the presence of an activat...
- Patent number 9,035,119
- Issue date May 19, 2015
- Sasol Technology (Pty) Limited
- Sean William Ewart
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Self limiting catalyst composition for ethylene polymerization
- Patent number 8,993,692
- Issue date Mar 31, 2015
- Dow Global Technologies LLC
- Robert J. Jorgensen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes to control fouling and improve compositions
- Patent number 8,933,156
- Issue date Jan 13, 2015
- Dow Global Technologies LLC
- Anthony J. Castelluccio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process to make long chain branched (LCB), block, or interconnected...
- Patent number 8,722,817
- Issue date May 13, 2014
- Dow Global Technologies LLC
- Teresa P. Karjala
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD OF USE THEREOF
- Publication number 20250060167
- Publication date Feb 20, 2025
- DOW GLOBAL TECHNOLOGIES LLC
- Maria Pollard
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
GRAFTED POLYETHYLENE
- Publication number 20250043055
- Publication date Feb 6, 2025
- DOW GLOBAL TECHNOLOGIES LLC
- Santosh S. Bawiskar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Polymer Composition with Multifunctional Branching A...
- Publication number 20230287157
- Publication date Sep 14, 2023
- Dow Global Technologies LLC
- Ivan A. Konstantinov
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymers of Ethylene and Monocyclic Organosiloxane
- Publication number 20230242743
- Publication date Aug 3, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Jeffrey M. Cogen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Mixed Alcohols from Purge Stream Containing O...
- Publication number 20230227388
- Publication date Jul 20, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Michael A. Brammer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Drag Reducing Agent
- Publication number 20230159844
- Publication date May 25, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- David Koenigs
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Polymerization of C6-C14 a-Olefin Monomers and Polymers Thereof
- Publication number 20230127996
- Publication date Apr 27, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- David Koenigs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymerization of Purge Stream Containing 1-Octene
- Publication number 20230125141
- Publication date Apr 27, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- David Koenigs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Antifoulant and Process
- Publication number 20230121509
- Publication date Apr 20, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Polymer Composition with Branching and Process for P...
- Publication number 20230056229
- Publication date Feb 23, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Arkady L. Krasovskiy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Polymer Composition with Branching and Process for P...
- Publication number 20230047114
- Publication date Feb 16, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Arkady L. Krasovskiy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Polymer Composition with Branching and Process for P...
- Publication number 20220411614
- Publication date Dec 29, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Arkady L. Krasovskiy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Polymer Composition with Branching
- Publication number 20220259341
- Publication date Aug 18, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Arkady L. Krasovskiy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHODS FOR REDUCING FOULING IN UPGRADING REACTORS
- Publication number 20220185745
- Publication date Jun 16, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- David Koenigs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Ethylene-Based Polymer Composition with Branching and Process for P...
- Publication number 20220017666
- Publication date Jan 20, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Hayley A. Brown
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD AND SYSTEM FOR POLYMER PRODUCTION
- Publication number 20210214470
- Publication date Jul 15, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Maria Pollard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS AND METHOD OF USE THEREOF
- Publication number 20210215432
- Publication date Jul 15, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Maria Pollard
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
DISTRIBUTOR FOR POLYMER SOLUTION DEVOLATILIZATION, METHODS OF MANUF...
- Publication number 20210205729
- Publication date Jul 8, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Bradley K. Blanchard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ZIEGLER-NATTA CATALYST DEACTIVATION AND NEUTRALIZATION
- Publication number 20210002393
- Publication date Jan 7, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Evelyn Auyeung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LUBRICANT TREATMENTS FOR FREE-RADICAL POLYMERIZATIONS
- Publication number 20200277544
- Publication date Sep 3, 2020
- DOW GLOBAL TECHNOLOGIES LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Functionalized Ethylene-Based Polymers with a...
- Publication number 20190031806
- Publication date Jan 31, 2019
- DOW GLOBAL TECHNOLOGIES LLC
- Mehmet Demirors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR ISOMER REDUCTION DURING POLYMERIZATION AND SYSTEM FOR AC...
- Publication number 20190023823
- Publication date Jan 24, 2019
- DOW GLOBAL TECHNOLOGIES LLC
- Daniela Ferrari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Improved Process to Make Tubular Ethylene Based Polymers with High...
- Publication number 20180171046
- Publication date Jun 21, 2018
- DOW GLOBAL TECHNOLOGIES LLC
- Otto J. Berbee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Making Ethylene-Based Polymers Using Carbon-Carbon Free...
- Publication number 20180171042
- Publication date Jun 21, 2018
- DOW GLOBAL TECHNOLOGIES LLC
- Sean Ewart
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Improved Process to Make Tubular Ethylene Based Polymers with High...
- Publication number 20180171047
- Publication date Jun 21, 2018
- DOW GLOBAL TECHNOLOGIES LLC
- Otto J. Berbee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS TO FORM ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS
- Publication number 20180148526
- Publication date May 31, 2018
- DOW GLOBAL TECHNOLOGIES LLC
- Sean W. Ewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ethylene-Based Interpolymers and Composition Comprising the Same
- Publication number 20170369609
- Publication date Dec 28, 2017
- DOW GLOBAL TECHNOLOGIES LLC
- Liam P. Spencer
- G01 - MEASURING TESTING
Information Patent Application
Process for Preparing a Modified Ethylene-Based Polymer Using a Hyd...
- Publication number 20170362419
- Publication date Dec 21, 2017
- DOW GLOBAL TECHNOLOGIES LLC
- Teresa Karjala
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Processes to Form Ethylene-Based Polymers Using Asymmetrical Polyenes
- Publication number 20170335034
- Publication date Nov 23, 2017
- DOW GLOBAL TECHNOLOGIES LLC
- Otto J. Berbee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LUBRICANT COMPOSITIONS FOR IMPROVED HIGH PRESSURE FREE-RADICAL POLY...
- Publication number 20170260474
- Publication date Sep 14, 2017
- DOW GLOBAL TECHNOLOGIES LLC
- Bryan Gutermuth
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Sean W. Ewart

Person

Patents Grantslast 30 patents

Method and system for polymer production

Ziegler-Natta catalyst deactivation and neutralization

Method for isomer reduction during polymerization and system for ac...

Lubricant treatments for free-radical polymerizations

Process for producing functionalized ethylene-based polymers with a...

Process to make tubular ethylene based polymers with high G′ and br...

Process for making ethylene-based polymers using carbon-carbon free...

Process to make tubular ethylene based polymers with high melt stre...

Process to form ethylene/α-olefin interpolymers

Process for preparing a modified ethylene-based polymer using a hyd...

Process to visbreak propylene-based polymers with C—C initiators

Ethylene based interpolymers and composition comprising the same

Lubricant compositions for improved high pressure free-radical poly...

Processes to form ethylene-based polymers using asymmetrical polyenes

Bis-biphenylphenoxy catalysts for polymerization of low molecular w...

Processes to control fouling and improve compositions

Process for making ethylene-based polymers using hydrocarbon initia...

Processes to improve reactor stability for the preparation of ethyl...

Processes to form ethylene-based polymers using asymmetrical polyenes

Process for increasing the melt strength of a polyethylene resin, a...

Ethylene-based polymers and processes to make the same

Ethylene-based polymers with improved melt strength and processes f...

Free-radical processes to make ethylene-based polymers using alklya...

Processes to prepare ethylene-based polymer compositions

Oligomerisation of olefinic compounds in the presence of an activat...

Self limiting catalyst composition for ethylene polymerization

Processes to control fouling and improve compositions

Process to make long chain branched (LCB), block, or interconnected...

Patents Applicationslast 30 patents

APPARATUS AND METHOD OF USE THEREOF

GRAFTED POLYETHYLENE

Ethylene-Based Polymer Composition with Multifunctional Branching A...

Polymers of Ethylene and Monocyclic Organosiloxane

Process for Producing Mixed Alcohols from Purge Stream Containing O...

Drag Reducing Agent

Polymerization of C6-C14 a-Olefin Monomers and Polymers Thereof

Polymerization of Purge Stream Containing 1-Octene

Antifoulant and Process

Ethylene-Based Polymer Composition with Branching and Process for P...

Ethylene-Based Polymer Composition with Branching and Process for P...

Ethylene-Based Polymer Composition with Branching and Process for P...

Ethylene-Based Polymer Composition with Branching

METHODS FOR REDUCING FOULING IN UPGRADING REACTORS

Ethylene-Based Polymer Composition with Branching and Process for P...

METHOD AND SYSTEM FOR POLYMER PRODUCTION

APPARATUS AND METHOD OF USE THEREOF

DISTRIBUTOR FOR POLYMER SOLUTION DEVOLATILIZATION, METHODS OF MANUF...

ZIEGLER-NATTA CATALYST DEACTIVATION AND NEUTRALIZATION

LUBRICANT TREATMENTS FOR FREE-RADICAL POLYMERIZATIONS

Process for Producing Functionalized Ethylene-Based Polymers with a...

METHOD FOR ISOMER REDUCTION DURING POLYMERIZATION AND SYSTEM FOR AC...

Improved Process to Make Tubular Ethylene Based Polymers with High...

Process for Making Ethylene-Based Polymers Using Carbon-Carbon Free...

Improved Process to Make Tubular Ethylene Based Polymers with High...

PROCESS TO FORM ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS

Ethylene-Based Interpolymers and Composition Comprising the Same

Process for Preparing a Modified Ethylene-Based Polymer Using a Hyd...

Processes to Form Ethylene-Based Polymers Using Asymmetrical Polyenes

LUBRICANT COMPOSITIONS FOR IMPROVED HIGH PRESSURE FREE-RADICAL POLY...