John W. Simmons

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Separation membrane by controlled annealing of polyimide polymers
- Patent number 8,101,009
- Issue date Jan 24, 2012
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Okan Max Ekiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Separation membrane by controlled annealing of polyimide polymers
- Patent number 7,422,623
- Issue date Sep 9, 2008
- L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
- Okan Max Ekiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of separating olefins from mixtures with paraffins
- Patent number 7,399,897
- Issue date Jul 15, 2008
- L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
- Ian C. Roman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation membrane made from blends of polyimide with polyamide or...
- Patent number 7,393,383
- Issue date Jul 1, 2008
- L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
- Okan Max Ekiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of separating olefins from mixtures with paraffins
- Patent number 7,250,545
- Issue date Jul 31, 2007
- L'Air Societe Anonyme A Directoire et Conseil de Surveillance pour l'Etude at...
- Ian C Roman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating hydrocarbon-containing gas mixtures using hyd...
- Patent number 7,025,804
- Issue date Apr 11, 2006
- L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
- John W. Simmons
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Polyimide blends for gas separation membranes
- Patent number 7,018,445
- Issue date Mar 28, 2006
- L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block polyester-ether gas separation membranes
- Patent number 6,860,920
- Issue date Mar 1, 2005
- L'Air Liquide-Societe Anoyme a Directoire et Conseil de Surveillance Pour l'E...
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block polyurethane-ether and polyurea-ether gas separation membranes
- Patent number 6,843,829
- Issue date Jan 18, 2005
- L'Air Liquide-Societe Anonyme a'Directoire et Conseil de Surveillance pour l'...
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolyimide gas separation membranes
- Patent number 6,383,258
- Issue date May 7, 2002
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- John W. Simmons
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Nitrated polyimide gas separation membranes
- Patent number 5,716,430
- Issue date Feb 10, 1998
- L'Air Liquide Societe Anonyme Pour l'Etude et, l'Exploitation des Procedes Ge...
- John Warren Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polyetherketone gas separation membranes
- Patent number 5,474,596
- Issue date Dec 12, 1995
- L'Air Liquide S.A.
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polyetherketone gas separation membranes
- Patent number 5,393,324
- Issue date Feb 28, 1995
- L'Air Liquide S.A.
- John W. Simmons
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Aromatic polyethersulfone gas separation membranes
- Patent number 5,393,323
- Issue date Feb 28, 1995
- L'Air Liquide S.A.
- John W. Simmons
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Alkyl substituted aromatic polyester gas separation membranes
- Patent number 5,352,273
- Issue date Oct 4, 1994
- E. I. Du Pont de Nemours and Company
- John W. Simmons
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polyimide gas separation membranes
- Patent number 5,334,697
- Issue date Aug 2, 1994
- L'Air Liquide, S.A.
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorinated aromatic polyimide, polyamide and polyamide-imide gas s...
- Patent number 5,320,650
- Issue date Jun 14, 1994
- E. I. Du Pont de Nemours and Company
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimide and polyamide-imide gas separation membranes
- Patent number 5,310,415
- Issue date May 10, 1994
- E. I. Du Pont de Nemours and Company
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkyl substituted polyimide, polyamide and polyamide-imide gas sepa...
- Patent number 5,266,100
- Issue date Nov 30, 1993
- E. I. Du Pont de Nemours and Company
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas separation membranes made from blends of aromatic polyamide, po...
- Patent number 5,248,319
- Issue date Sep 28, 1993
- E. I. Du Pont de Nemours and Company
- Okan M. Ekiner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polyimide and polyamide-imide gas separation membranes
- Patent number 5,232,472
- Issue date Aug 3, 1993
- E. I. Du Pont de Nemours and Company
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
THERMALLY AND DIMENSIONALLY STABLE POLYIMIDE FILMS AND METHODS RELA...
- Publication number 20120009406
- Publication date Jan 12, 2012
- E.I. du Pont de Nemours and Company
- Brian C Auman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIMENSIONALLY STABLE POLYIMIDES, AND METHODS RELATING THERETO
- Publication number 20110124806
- Publication date May 26, 2011
- E.I. du Pont de Nemours and Company
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ASSEMBLIES COMPRISING A THERMALLY AND DIMENSIONALLY STABLE POLYIMID...
- Publication number 20110056539
- Publication date Mar 10, 2011
- E.I. du Pont de Nemours and Company
- Brian C Auman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LAMINATE STRUCTURES FOR HIGH TEMPERATURE PHOTOVOLTAIC APPLICATIONS,...
- Publication number 20090288699
- Publication date Nov 26, 2009
- E.I. du Pont de Nemours and Company
- Brian C. Auman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Separation Membrane by Controlled Annealing of Polyimide Polymers
- Publication number 20090227744
- Publication date Sep 10, 2009
- Okan Max EKINER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of Separating Olefins from Mixtures With Paraffins
- Publication number 20070135670
- Publication date Jun 14, 2007
- L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance Pour L'...
- Ian C. Roman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Separation membrane by controlled annealing of polyimide polymers
- Publication number 20060196355
- Publication date Sep 7, 2006
- Okan Max Ekiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel separation membrane made from blends of polyimide with polyam...
- Publication number 20060156920
- Publication date Jul 20, 2006
- Okan Max Ekiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for separating hydrocarbon-containing gas mixtures using hyd...
- Publication number 20040159233
- Publication date Aug 19, 2004
- John W. Simmons
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of separating olefins from mixtures with paraffins
- Publication number 20040147796
- Publication date Jul 29, 2004
- Ian C. Roman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyimide blends for gas separation membranes
- Publication number 20040107830
- Publication date Jun 10, 2004
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel block polyester-ether gas separation membranes
- Publication number 20040025689
- Publication date Feb 12, 2004
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel block polyurethane-ether and polyurea-ether gas separation me...
- Publication number 20030226446
- Publication date Dec 11, 2003
- John W. Simmons
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

John W. Simmons

Person

Patents Grantslast 30 patents

Separation membrane by controlled annealing of polyimide polymers

Separation membrane by controlled annealing of polyimide polymers

Method of separating olefins from mixtures with paraffins

Separation membrane made from blends of polyimide with polyamide or...

Method of separating olefins from mixtures with paraffins

Method for separating hydrocarbon-containing gas mixtures using hyd...

Polyimide blends for gas separation membranes

Block polyester-ether gas separation membranes

Block polyurethane-ether and polyurea-ether gas separation membranes

Copolyimide gas separation membranes

Nitrated polyimide gas separation membranes

Aromatic polyetherketone gas separation membranes

Aromatic polyetherketone gas separation membranes

Aromatic polyethersulfone gas separation membranes

Alkyl substituted aromatic polyester gas separation membranes

Polyimide gas separation membranes

Fluorinated aromatic polyimide, polyamide and polyamide-imide gas s...

Polyimide and polyamide-imide gas separation membranes

Alkyl substituted polyimide, polyamide and polyamide-imide gas sepa...

Gas separation membranes made from blends of aromatic polyamide, po...

Polyimide and polyamide-imide gas separation membranes

Patents Applicationslast 30 patents

THERMALLY AND DIMENSIONALLY STABLE POLYIMIDE FILMS AND METHODS RELA...

DIMENSIONALLY STABLE POLYIMIDES, AND METHODS RELATING THERETO

ASSEMBLIES COMPRISING A THERMALLY AND DIMENSIONALLY STABLE POLYIMID...

LAMINATE STRUCTURES FOR HIGH TEMPERATURE PHOTOVOLTAIC APPLICATIONS,...

Separation Membrane by Controlled Annealing of Polyimide Polymers

Method of Separating Olefins from Mixtures With Paraffins

Separation membrane by controlled annealing of polyimide polymers

Novel separation membrane made from blends of polyimide with polyam...

Method for separating hydrocarbon-containing gas mixtures using hyd...

Method of separating olefins from mixtures with paraffins

Polyimide blends for gas separation membranes

Novel block polyester-ether gas separation membranes

Novel block polyurethane-ether and polyurea-ether gas separation me...