Antonios K. Doufas

Person

Pittsburgh, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic vulcanizate compositions
- Patent number 11,905,401
- Issue date Feb 20, 2024
- Celanese International Corporation
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic blends and composites for flexible pipes
- Patent number 11,846,371
- Issue date Dec 19, 2023
- ExxonMobil Chemical Patents Inc.
- Antonios K. Doufas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Supported catalyst systems and methods of using same
- Patent number 11,629,209
- Issue date Apr 18, 2023
- ExxonMobil Chemical Patents Inc.
- Rohan A. Hule
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene compositions, wire and cables, and methods for making...
- Patent number 11,629,245
- Issue date Apr 18, 2023
- ExxonMobil Chemical Patents Inc.
- Antonios K. Doufas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PE-RT pipes and processes for making the same
- Patent number 11,479,624
- Issue date Oct 25, 2022
- ExxonMobil Chemical Patents Inc.
- Donald A. Winesett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Supported catalyst systems and methods of using same
- Patent number 11,370,860
- Issue date Jun 28, 2022
- ExxonMobil Chemical Patents Inc.
- Rohan A. Hule
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic vulcanizate compositions
- Patent number 11,312,847
- Issue date Apr 26, 2022
- Celanese International Corporation
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene extrudates and methods of making the same
- Patent number 11,302,459
- Issue date Apr 12, 2022
- ExxonMobil Chemical Patents Inc.
- Antonios K. Doufas
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Compatibilized thermoplastic vulcanizate compositions
- Patent number 11,174,332
- Issue date Nov 16, 2021
- ExxonMobil Chemical Patents Inc.
- Sudhin Datta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene composition
- Patent number 10,618,989
- Issue date Apr 14, 2020
- ExxonMobil Chemical Patents Inc.
- Antonios K. Doufas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multimodal and broad molecular weight high density polyethylene
- Patent number 10,590,212
- Issue date Mar 17, 2020
- ExxonMobil Chemical Patents Inc.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Atactic polypropylene comb block polyolefins useful as modifiers in...
- Patent number 10,246,542
- Issue date Apr 2, 2019
- ExxonMobil Chemical Patents Inc.
- Andy H. Tsou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene fibers and fabrics
- Patent number 10,174,442
- Issue date Jan 8, 2019
- ExxonMobil Chemical Patents Inc.
- Jeanne Marie MacDonald
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Grant
Comb-block high density polyethylenes and methods of making them
- Patent number 10,138,320
- Issue date Nov 27, 2018
- ExxonMobil Chemical Patents Inc.
- Andy H. Tsou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene polymers
- Patent number 10,100,183
- Issue date Oct 16, 2018
- ExxonMobil Chemical Patents Inc.
- Jeanne M. MacDonald
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Propylene polymers
- Patent number 9,382,411
- Issue date Jul 5, 2016
- ExxonMobil Chemical Patents Inc.
- Jeanne M. MacDonald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene fibers and fabrics
- Patent number 9,322,114
- Issue date Apr 26, 2016
- ExxonMobil Chemical Patents Inc.
- Jeanne Marie MacDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polypropylene composition for buried structures
- Patent number 8,389,635
- Issue date Mar 5, 2013
- Braskem America, Inc.
- Antonios Doufas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Polypropylene composition for buried structures
- Patent number 8,217,116
- Issue date Jul 10, 2012
- Braskem America, Inc.
- Antonios Doufas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fibers made from copolymers of ethylene/α-olefins
- Patent number 8,067,319
- Issue date Nov 29, 2011
- Dow Global Technologies LLC
- Benjamin C. Poon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene impact copolymer compositions
- Patent number 8,044,135
- Issue date Oct 25, 2011
- Braskem America, Inc.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fibers made from copolymers of ethylene/α-olefins
- Patent number 7,947,367
- Issue date May 24, 2011
- Dow Global Technologies LLC
- Benjamin C. Poon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fibers made from copolymers of ethylene/α-olefins
- Patent number 7,803,728
- Issue date Sep 28, 2010
- Dow Global Technologies Inc.
- Benjamin C. Poon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions of ethylene/alpha-olefin multi-block interpolymer for...
- Patent number 7,737,061
- Issue date Jun 15, 2010
- Dow Global Technologies Inc.
- Andy C. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions of ethylene/alpha-olefin multi-block interpolymer for...
- Patent number 7,732,052
- Issue date Jun 8, 2010
- Dow Global Technologies Inc.
- Andy C. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fibers made from copolymers of propylene/α-olefins
- Patent number 7,504,347
- Issue date Mar 17, 2009
- Dow Global Technologies Inc.
- Benjamin C. Poon
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Extensible and elastic conjugate fibers and webs having a nontacky...
- Patent number 7,413,803
- Issue date Aug 19, 2008
- Dow Global Technologies Inc.
- Joy F. Jordan
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Compositions of ethylene/α-olefin multi-block interpolymer for elas...
- Patent number 7,355,089
- Issue date Apr 8, 2008
- Dow Global Technologies Inc.
- Andy C. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Extensible and elastic conjugate fibers and webs having a nontacky...
- Patent number 7,101,623
- Issue date Sep 5, 2006
- Dow Global Technologies Inc.
- Joy F. Jordan
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Propylene-based copolymers, a method of making the fibers and artic...
- Patent number 7,101,622
- Issue date Sep 5, 2006
- Dow Global Technologies Inc.
- Andy C. Chang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Processes for Making Propylene-Based Copolymers Having Broad CDs an...
- Publication number 20250101149
- Publication date Mar 27, 2025
- ExxonMobil Technology and Engineering Company
- Stacy Jordahl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Elastomer Compositions, Their Preparation and Use in...
- Publication number 20230133171
- Publication date May 4, 2023
- CELANESE INTERNATIONAL CORPORATION
- Krishnan Anantha Narayana Iyer
- B32 - LAYERED PRODUCTS
Information Patent Application
Propylene-Based Elastomer Compositions, Articles Thereof, and Metho...
- Publication number 20230097049
- Publication date Mar 30, 2023
- ExxonMobil Chemical Patents Inc,
- Rue Xie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene-Rich Thermoplastic Vulcanizate Compositions and Articles
- Publication number 20220325086
- Publication date Oct 13, 2022
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions and Processes for the Produc...
- Publication number 20220306849
- Publication date Sep 29, 2022
- CELANESE INTERNATIONAL CORPORATION
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions and Thermoplastic Olefinic C...
- Publication number 20220299154
- Publication date Sep 22, 2022
- CELANESE INTERNATIONAL CORPORATION
- Krishnan Anantha Narayana Iyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Supported Catalyst Systems and Methods of Using Same
- Publication number 20220289883
- Publication date Sep 15, 2022
- EXXONMOBIL CHEMICAL PATENTS INC.
- Rohan A. HULE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions
- Publication number 20220251362
- Publication date Aug 11, 2022
- CELANESE INTERNATIONAL CORPORATION
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Automotive Weather Seals Formed with Thermoplastic Vulcanizate Comp...
- Publication number 20220177684
- Publication date Jun 9, 2022
- ExxonMobill Chemical Patents Inc.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions
- Publication number 20220177685
- Publication date Jun 9, 2022
- CELANESE INTERNATIONAL CORPORATION
- Krishnan Anantha Narayana Iyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions Their Preparation and Use in...
- Publication number 20220112362
- Publication date Apr 14, 2022
- EXXONMOBIL CHEMICAL PATENTS INC.
- Krishnan Anantha Narayana Iyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Pipe Including a Thermoplastic Vulcanizate Composition
- Publication number 20220112364
- Publication date Apr 14, 2022
- EXXONMOBIL CHEMICAL PATENTS INC.
- Krishnan Anantha Narayana Iyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Foam Thermoplastic Vulcanizate Pellet Compositions, Methods, and Ar...
- Publication number 20220081528
- Publication date Mar 17, 2022
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Compositions in Polymeric Inner / Pressur...
- Publication number 20220042625
- Publication date Feb 10, 2022
- Wanli Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Blends and Composites for Flexible Pipes
- Publication number 20210356056
- Publication date Nov 18, 2021
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Crosslinked Elastomer-Polymer Blends
- Publication number 20210340361
- Publication date Nov 4, 2021
- EXXONMOBIL CHEMICAL PATENTS INC.
- Krishnan Anantha Narayana Iyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Polyethylene Compositions, Wire and Cables, and Methods for Making...
- Publication number 20210309842
- Publication date Oct 7, 2021
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Thermoplastic Vulcanizate Compositions
- Publication number 20210040300
- Publication date Feb 11, 2021
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic Vulcanizate Conduits for Transporting Hydrocarbon Fluids
- Publication number 20200347209
- Publication date Nov 5, 2020
- Andrew Takacs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PE-RT Pipes and Processes for Making the Same
- Publication number 20200339715
- Publication date Oct 29, 2020
- ExxonMobil Chemical Patents, Inc.
- Donald A. Winesett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyethylene Extrudates and Methods of Making the Same
- Publication number 20200279671
- Publication date Sep 3, 2020
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Foamable High Density Polyethylene Compositions and Articles Made T...
- Publication number 20200087477
- Publication date Mar 19, 2020
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Supported Catalyst Systems and Methods of Using the Same
- Publication number 20200048383
- Publication date Feb 13, 2020
- ExxonMobil Chemical Company Law Technology
- Rohan A. Hule
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyethylene Composition
- Publication number 20180134828
- Publication date May 17, 2018
- EXXONMOBIL CHEMICAL PATENTS INC.
- Antonios K. DOUFAS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multimodal and Broad Molecular Weight High Density Polyethylene
- Publication number 20180079845
- Publication date Mar 22, 2018
- ExxonMobil Chemical Company Law Technology
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Comb-Block High Density Polyethylenes and Methods of Making Them
- Publication number 20170275409
- Publication date Sep 28, 2017
- EXXONMOBIL CHEMICAL PATENTS INC.
- Andy H. Tsou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Atactic Polypropylene Comb Block Polyolefins Useful as Modifiers in...
- Publication number 20170073448
- Publication date Mar 16, 2017
- EXXONMOBIL CHEMICAL PATENTS INC.
- Andy H. Tsou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROPYLENE-BASED COMPOSITIONS OF ENHANCED APPEARANCE AND EXCELLENT M...
- Publication number 20160194488
- Publication date Jul 7, 2016
- Braskem America, Inc.
- Antonios K. Doufas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYPROPYLENE FIBERS AND FABRICS
- Publication number 20160053419
- Publication date Feb 25, 2016
- EXXONMOBIL CHEMICAL PATENTS INC.
- Jeanne Marie MacDonald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Propylene Polymers
- Publication number 20150307699
- Publication date Oct 29, 2015
- EXXONMOBIL CHEMICAL PATENTS INC.
- Jeanne Marie MACDONALD
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Antonios K. Doufas

Person

Patents Grantslast 30 patents

Thermoplastic vulcanizate compositions

Thermoplastic blends and composites for flexible pipes

Supported catalyst systems and methods of using same

Polyethylene compositions, wire and cables, and methods for making...

PE-RT pipes and processes for making the same

Supported catalyst systems and methods of using same

Thermoplastic vulcanizate compositions

Polyethylene extrudates and methods of making the same

Compatibilized thermoplastic vulcanizate compositions

Polyethylene composition

Multimodal and broad molecular weight high density polyethylene

Atactic polypropylene comb block polyolefins useful as modifiers in...

Polypropylene fibers and fabrics

Comb-block high density polyethylenes and methods of making them

Propylene polymers

Propylene polymers

Polypropylene fibers and fabrics

Polypropylene composition for buried structures

Polypropylene composition for buried structures

Fibers made from copolymers of ethylene/α-olefins

Polypropylene impact copolymer compositions

Fibers made from copolymers of ethylene/α-olefins

Fibers made from copolymers of ethylene/α-olefins

Compositions of ethylene/alpha-olefin multi-block interpolymer for...

Compositions of ethylene/alpha-olefin multi-block interpolymer for...

Fibers made from copolymers of propylene/α-olefins

Extensible and elastic conjugate fibers and webs having a nontacky...

Compositions of ethylene/α-olefin multi-block interpolymer for elas...

Extensible and elastic conjugate fibers and webs having a nontacky...

Propylene-based copolymers, a method of making the fibers and artic...

Patents Applicationslast 30 patents

Processes for Making Propylene-Based Copolymers Having Broad CDs an...

Thermoplastic Elastomer Compositions, Their Preparation and Use in...

Propylene-Based Elastomer Compositions, Articles Thereof, and Metho...

Propylene-Rich Thermoplastic Vulcanizate Compositions and Articles

Thermoplastic Vulcanizate Compositions and Processes for the Produc...

Thermoplastic Vulcanizate Compositions and Thermoplastic Olefinic C...

Supported Catalyst Systems and Methods of Using Same

Thermoplastic Vulcanizate Compositions

Automotive Weather Seals Formed with Thermoplastic Vulcanizate Comp...

Thermoplastic Vulcanizate Compositions

Thermoplastic Vulcanizate Compositions Their Preparation and Use in...

Pipe Including a Thermoplastic Vulcanizate Composition

Foam Thermoplastic Vulcanizate Pellet Compositions, Methods, and Ar...

Thermoplastic Vulcanizate Compositions in Polymeric Inner / Pressur...

Thermoplastic Blends and Composites for Flexible Pipes

Crosslinked Elastomer-Polymer Blends

Polyethylene Compositions, Wire and Cables, and Methods for Making...

Thermoplastic Vulcanizate Compositions

Thermoplastic Vulcanizate Conduits for Transporting Hydrocarbon Fluids

PE-RT Pipes and Processes for Making the Same

Polyethylene Extrudates and Methods of Making the Same

Foamable High Density Polyethylene Compositions and Articles Made T...

Supported Catalyst Systems and Methods of Using the Same

Polyethylene Composition

Multimodal and Broad Molecular Weight High Density Polyethylene

Comb-Block High Density Polyethylenes and Methods of Making Them

Atactic Polypropylene Comb Block Polyolefins Useful as Modifiers in...

PROPYLENE-BASED COMPOSITIONS OF ENHANCED APPEARANCE AND EXCELLENT M...

POLYPROPYLENE FIBERS AND FABRICS

Propylene Polymers