Main Chang

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Internal donor structure for olefin polymerization catalysts and me...
- Patent number 10,144,790
- Issue date Dec 4, 2018
- W. R. Grace & Co.-Conn.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Combined internal donor system for Ziegler-Natta polyolefin catalys...
- Patent number 9,738,736
- Issue date Aug 22, 2017
- W. R. Grace & Co.-Conn.
- Vladimir P. Marin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal donor structure for olefin polymerization catalysts and me...
- Patent number 9,567,410
- Issue date Feb 14, 2017
- W. R. Grace & Co.-Conn.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene polymerization catalysts
- Patent number 9,562,119
- Issue date Feb 7, 2017
- W. R. Grace & Co.-Conn.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixed internal donor structures for 1-olefin polymerization catalysts
- Patent number 9,284,392
- Issue date Mar 15, 2016
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal donor structure for olefin polymerization catalysts and me...
- Patent number 9,217,047
- Issue date Dec 22, 2015
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal and external donor compounds for olefin polymerization cat...
- Patent number 8,933,180
- Issue date Jan 13, 2015
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal donor structure for olefin polymerization catalysts and me...
- Patent number 8,765,626
- Issue date Jul 1, 2014
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal and external donor compounds for olefin polymerization cat...
- Patent number 8,569,195
- Issue date Oct 29, 2013
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal and external donor compounds for olefin polymerization cat...
- Patent number 8,318,626
- Issue date Nov 27, 2012
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High activity catalyst component for olefin polymerization and meth...
- Patent number 8,227,370
- Issue date Jul 24, 2012
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal and external donor compounds for olefin polymerization cat...
- Patent number 8,211,819
- Issue date Jul 3, 2012
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal donor for olefin polymerization catalysts
- Patent number 8,003,559
- Issue date Aug 23, 2011
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal donor for olefin polymerization catalysts
- Patent number 8,003,558
- Issue date Aug 23, 2011
- BASF Corporation
- Main Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalyst for olefin polymerization
- Patent number 7,700,513
- Issue date Apr 20, 2010
- BASF Catalysts LLC
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Supported catalyst for olefin polymerization
- Patent number 7,326,757
- Issue date Feb 5, 2008
- BASF Catalysts LLC
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High activity and good hydrogen response Ziegler-Natta polyethylene...
- Patent number 7,153,803
- Issue date Dec 26, 2006
- Engelhard Corporation
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Spherical catalyst for olefin polymerization
- Patent number 7,135,531
- Issue date Nov 14, 2006
- BASF Catalysts LLC
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene diene copolymerized polymers
- Patent number 7,005,491
- Issue date Feb 28, 2006
- ExxonMobil Chemical Patents Inc.
- Weiqing Weng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene diene copolymers
- Patent number 6,977,287
- Issue date Dec 20, 2005
- ExxonMobil Chemical Patents Inc.
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Spherical catalyst for olefin polymerization
- Patent number 6,962,889
- Issue date Nov 8, 2005
- Engelhard Corporation
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Articles formed from propylene diene copolymers
- Patent number 6,809,168
- Issue date Oct 26, 2004
- ExxonMobil Chemical Patents Inc.
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst systems, their production and use
- Patent number 6,734,267
- Issue date May 11, 2004
- Univation Technologies, LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst systems, their production and use
- Patent number 6,605,560
- Issue date Aug 12, 2003
- Univation Technologies, LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Supported organometallic catalysts and their use in olefin polymeri...
- Patent number 6,395,847
- Issue date May 28, 2002
- ExxonMobil Chemical Patents Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metallocene catalyst systems
- Patent number 6,184,170
- Issue date Feb 6, 2001
- Exxon Chemical Patents, Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metallocene catalyst systems
- Patent number 6,136,742
- Issue date Oct 24, 2000
- Exxon Chemical Patents, Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst systems, their production and use
- Patent number 5,629,253
- Issue date May 13, 1997
- Exxon Chemical Patents, Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst systems, their production and use
- Patent number 5,529,965
- Issue date Jun 25, 1996
- Exxon Chemical Patents Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Supported catalyst for 1-olefin(s) (co)polymerization
- Patent number 5,373,072
- Issue date Dec 13, 1994
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...
- Publication number 20170121433
- Publication date May 4, 2017
- W.R. GRACE & CO.-CONN.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...
- Publication number 20160145358
- Publication date May 26, 2016
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMBINED INTERNAL DONOR SYSTEM FOR ZIEGLER-NATTA POLYOLEFIN CATALYS...
- Publication number 20160046740
- Publication date Feb 18, 2016
- BASF Corporation
- Vladimir P. MARIN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CAT...
- Publication number 20140275451
- Publication date Sep 18, 2014
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MIXED INTERNAL DONOR STRUCTURES FOR 1-OLEFIN POLYMERIZATION CATALYSTS
- Publication number 20140275452
- Publication date Sep 18, 2014
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...
- Publication number 20140235805
- Publication date Aug 21, 2014
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NEW INTERNAL DONORS FOR ETHYLENE POLYMERIZATION CATALYSTS AND METHO...
- Publication number 20130231447
- Publication date Sep 5, 2013
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Internal Donor Structure for Olefin Polymerization Catalysts and Me...
- Publication number 20130137568
- Publication date May 30, 2013
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High Activity Catalyst Component for Olefin Polymerization and Meth...
- Publication number 20120116031
- Publication date May 10, 2012
- BASF Corporation
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ETHYLENE POLYMERIZATION CATALYSTS
- Publication number 20110294970
- Publication date Dec 1, 2011
- BASF Catalysts, LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Internal and External Donor Compounds for Olefin Polymerization Cat...
- Publication number 20110213106
- Publication date Sep 1, 2011
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CAT...
- Publication number 20110207901
- Publication date Aug 25, 2011
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Internal and external donor compounds for olefin polymerization cat...
- Publication number 20110152481
- Publication date Jun 23, 2011
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS
- Publication number 20100029870
- Publication date Feb 4, 2010
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS
- Publication number 20090286672
- Publication date Nov 19, 2009
- BASF CATALYSTS LLC
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SUPPORTED CATALYST FOR OLEFIN POLYMERIZATION
- Publication number 20070243998
- Publication date Oct 18, 2007
- BASF CATALYSTS LLC
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Supported catalyst for olefin polymerization
- Publication number 20070021573
- Publication date Jan 25, 2007
- ENGELHARD CORPORATION
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High activity and good hydrogen response Ziegler-Natta polyethylene...
- Publication number 20050288460
- Publication date Dec 29, 2005
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Spherical catalyst for olefin polymerization
- Publication number 20050176900
- Publication date Aug 11, 2005
- ENGELHARD CORPORATION
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Spherical catalyst for olefin polymerization
- Publication number 20050164873
- Publication date Jul 28, 2005
- Zhidong Zhu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene diene copolymers
- Publication number 20040087750
- Publication date May 6, 2004
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Articles formed from propylene diene copolymers
- Publication number 20040087749
- Publication date May 6, 2004
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene diene copolymerized polymers
- Publication number 20040077806
- Publication date Apr 22, 2004
- Weiqing Weng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymerization catalyst systems, their production and use
- Publication number 20030199390
- Publication date Oct 23, 2003
- MAIN CHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene diene copolymers
- Publication number 20020013440
- Publication date Jan 31, 2002
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Articles formed from propylene diene copolymers
- Publication number 20010053837
- Publication date Dec 20, 2001
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SUPPORTED ORGANOMETALLIC CATALYSTS AND THEIR USE IN OLEFIN POLYMERI...
- Publication number 20010049331
- Publication date Dec 6, 2001
- MAIN CHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene diene copolymers
- Publication number 20010007896
- Publication date Jul 12, 2001
- Pawan Kumar Agarwal
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Person

Patents Grantslast 30 patents

Internal donor structure for olefin polymerization catalysts and me...

Combined internal donor system for Ziegler-Natta polyolefin catalys...

Internal donor structure for olefin polymerization catalysts and me...

Ethylene polymerization catalysts

Mixed internal donor structures for 1-olefin polymerization catalysts

Internal donor structure for olefin polymerization catalysts and me...

Internal and external donor compounds for olefin polymerization cat...

Internal donor structure for olefin polymerization catalysts and me...

Internal and external donor compounds for olefin polymerization cat...

Internal and external donor compounds for olefin polymerization cat...

High activity catalyst component for olefin polymerization and meth...

Internal and external donor compounds for olefin polymerization cat...

Internal donor for olefin polymerization catalysts

Internal donor for olefin polymerization catalysts

Supported catalyst for olefin polymerization

Supported catalyst for olefin polymerization

High activity and good hydrogen response Ziegler-Natta polyethylene...

Spherical catalyst for olefin polymerization

Propylene diene copolymerized polymers

Propylene diene copolymers

Spherical catalyst for olefin polymerization

Articles formed from propylene diene copolymers

Polymerization catalyst systems, their production and use

Polymerization catalyst systems, their production and use

Supported organometallic catalysts and their use in olefin polymeri...

Metallocene catalyst systems

Metallocene catalyst systems

Polymerization catalyst systems, their production and use

Polymerization catalyst systems, their production and use

Supported catalyst for 1-olefin(s) (co)polymerization

Patents Applicationslast 30 patents

INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...

INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...

COMBINED INTERNAL DONOR SYSTEM FOR ZIEGLER-NATTA POLYOLEFIN CATALYS...

INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CAT...

MIXED INTERNAL DONOR STRUCTURES FOR 1-OLEFIN POLYMERIZATION CATALYSTS

INTERNAL DONOR STRUCTURE FOR OLEFIN POLYMERIZATION CATALYSTS AND ME...

NEW INTERNAL DONORS FOR ETHYLENE POLYMERIZATION CATALYSTS AND METHO...

Internal Donor Structure for Olefin Polymerization Catalysts and Me...

High Activity Catalyst Component for Olefin Polymerization and Meth...

ETHYLENE POLYMERIZATION CATALYSTS

Internal and External Donor Compounds for Olefin Polymerization Cat...

INTERNAL AND EXTERNAL DONOR COMPOUNDS FOR OLEFIN POLYMERIZATION CAT...

Internal and external donor compounds for olefin polymerization cat...

INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS

INTERNAL DONOR FOR OLEFIN POLYMERIZATION CATALYSTS

SUPPORTED CATALYST FOR OLEFIN POLYMERIZATION

Supported catalyst for olefin polymerization

High activity and good hydrogen response Ziegler-Natta polyethylene...

Spherical catalyst for olefin polymerization

Spherical catalyst for olefin polymerization

Propylene diene copolymers

Articles formed from propylene diene copolymers

Propylene diene copolymerized polymers

Polymerization catalyst systems, their production and use

Propylene diene copolymers

Articles formed from propylene diene copolymers

SUPPORTED ORGANOMETALLIC CATALYSTS AND THEIR USE IN OLEFIN POLYMERI...

Propylene diene copolymers