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James Timothy Macheras
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Quincy, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of preparing composite gas separation membranes from perfluo...
Patent number
6,923,846
Issue date
Aug 2, 2005
L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
Joyce Katz Nelson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Polyimide amic acid salts and polyimide membranes formed therefrom
Patent number
6,716,270
Issue date
Apr 6, 2004
Praxair Technology, Inc.
Yong Ding
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High temperature membrane module tubesheet composed of thermoset re...
Patent number
6,709,494
Issue date
Mar 23, 2004
Praxair Technology, Inc.
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparing composite gas separation membranes from perfluo...
Patent number
6,540,813
Issue date
Apr 1, 2003
Praxair Technology, Inc.
Joyce Katz Nelson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hollow fiber membrane tubesheets of variable epoxy composition and...
Patent number
6,290,756
Issue date
Sep 18, 2001
Praxair Technology, Inc.
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparing membranes from blends of polymers
Patent number
5,910,274
Issue date
Jun 8, 1999
Praxair Technology, Inc.
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparing membranes from blends of polymers
Patent number
5,891,572
Issue date
Apr 6, 1999
Praxair Technology, Inc.
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for spinning hollow fiber membranes
Patent number
5,871,680
Issue date
Feb 16, 1999
Praxair Technology, Inc.
James Timothy Macheras
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of preparing membranes from blends of polymers
Patent number
5,733,657
Issue date
Mar 31, 1998
Praxair Technology, Inc.
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid separation membranes prepared from blends of polyimide polymers
Patent number
5,635,067
Issue date
Jun 3, 1997
Praxair Technology, Inc.
James T. Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparing membranes from blends of polyetherimide and pol...
Patent number
5,443,728
Issue date
Aug 22, 1995
Praxair Technology, Inc.
James T. Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hollow fiber membranes
Patent number
5,181,940
Issue date
Jan 26, 1993
Union Carbide Industrial Gases Technology Corporation
Benjamin Bikson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR CRYOGENIC COOLING
Publication number
20230194195
Publication date
Jun 22, 2023
L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Ge...
Guillaume DELAUTRE
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
METHOD FOR PREPARATION OF HOLLOW FIBER MEMBRANE DEVICES AND THE USE...
Publication number
20190184341
Publication date
Jun 20, 2019
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Moutushi Dey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Novel polyimide amic acid salts and polyimide membranes formed ther...
Publication number
20030164090
Publication date
Sep 4, 2003
Yong Ding
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High temperature membrane module tubesheet composed of thermoset re...
Publication number
20030159583
Publication date
Aug 28, 2003
James Timothy Macheras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of preparing composite gas separation membranes from perfluo...
Publication number
20030126988
Publication date
Jul 10, 2003
Praxair Technology, Inc.
Joyce Katz Nelson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of preparing composite gas separation membranes from perfluo...
Publication number
20020038602
Publication date
Apr 4, 2002
Praxair Technology, Inc.
Joyce Katz Nelson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL