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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	015612/0963			Pages:	8
		Recorded:	01/24/2005
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 35

Patent #:	4840819	Issue Dt:	06/20/1989	Application #:	07035781	Filing Dt:	04/08/1987
Title:	METHOD FOR PREPARING COMPOSITE MEMBRANES FOR ENHANCED GAS SEPERATION

Patent #:	4767422	Issue Dt:	08/30/1988	Application #:	07035783	Filing Dt:	04/08/1987
Title:	COMPOSITE SEPARATION MEMBRANES AND THE PREPARATION AND USE THEREOF

Patent #:	4826599	Issue Dt:	05/02/1989	Application #:	07072056	Filing Dt:	07/10/1987
Title:	COMPOSITE MEMBRANES AND THEIR MANUFACTURE AND USE

Patent #:	4800019	Issue Dt:	01/24/1989	Application #:	07184799	Filing Dt:	04/22/1988
Title:	TUBESHEET FOR SEMIPERMEABLE MEMBRANE DEVICES

Patent #:	4881955	Issue Dt:	11/21/1989	Application #:	07242602	Filing Dt:	09/12/1988
Title:	METHOD FOR GAS SEPARATION USING HELICALLY WOUND HOLLOW FIBERS PERMEABLE MEMBRANE CARTRIDGE

Patent #:	4971695	Issue Dt:	11/20/1990	Application #:	07429614	Filing Dt:	10/31/1989
Title:	SULFONATED HEXAFLUORO BIS-A POLYSULFONE MEMBRANES AND PROCESS FOR FLUID SEPARATIONS

Patent #:	5026479	Issue Dt:	06/25/1991	Application #:	07479475	Filing Dt:	02/13/1990
Title:	FLUIDS SEPARATION DEVICE

Patent #:	5067971	Issue Dt:	11/26/1991	Application #:	07609625	Filing Dt:	11/06/1990
Title:	PROCESS FOR DEHYDRATION OF GASES AND COMPOSITE PERMEABLE MEMBRANES THEREFOR

Patent #:	5181940	Issue Dt:	01/26/1993	Application #:	07739322	Filing Dt:	08/01/1991
Title:	HOLLOW FIBER MEMBRANES

Patent #:	5364454	Issue Dt:	11/15/1994	Application #:	08083598	Filing Dt:	06/30/1993
Title:	FLUID SEPARATION COMPOSITE MEMBRANES PREPARED FROM SULFONATED AROMATIC POLYMERS IN LITHIUM SALT FORM

Patent #:	5356459	Issue Dt:	10/18/1994	Application #:	08083604	Filing Dt:	06/30/1993
Title:	PRODUCTION AND USE OF IMPROVED COMPOSITE FLUID SEPARATION MEMBRANES

Patent #:	5411662	Issue Dt:	05/02/1995	Application #:	08201529	Filing Dt:	02/25/1994
Title:	FLUID SEPARATION ASSEMBLY HAVING AN PURGE CONTROL VALVE

Patent #:	5443728	Issue Dt:	08/22/1995	Application #:	08234037	Filing Dt:	04/28/1994
Title:	METHOD OF PREPARING MEMBRANES FROM BLENDS OF POLYETHERIMIDE AND POLYIMIDE POLYMERS

Patent #:	5635067	Issue Dt:	06/03/1997	Application #:	08404208	Filing Dt:	03/14/1995
Title:	FLUID SEPARATION MEMBRANES PREPARED FROM BLENDS OF POLYIMIDE POLYMERS

Patent #:	5837033	Issue Dt:	11/17/1998	Application #:	08622318	Filing Dt:	03/29/1996
Title:	HOLLOW FIBER MEMBRANE SEPARATION APPARATUS

Patent #:	5702601	Issue Dt:	12/30/1997	Application #:	08625671	Filing Dt:	03/29/1996
Title:	STRUCTURE ENHANCING HOLLOW FIBER MODULE

Patent #:	5725633	Issue Dt:	03/10/1998	Application #:	08656953	Filing Dt:	06/06/1996
Title:	NOVEL SULFONATED POLYIMIDE GAS SEPARATION MEMBRANES

Patent #:	5891572	Issue Dt:	04/06/1999	Application #:	08738140	Filing Dt:	10/25/1996
Title:	METHOD OF PREPARING MEMBRANES FROM BLENDS OF POLYMERS

Patent #:	5871680	Issue Dt:	02/16/1999	Application #:	08907624	Filing Dt:	08/08/1997
Title:	METHOD AND APPARATUS FOR SPINNING HOLLOW FIBER MEMBRANES

Patent #:	5910274	Issue Dt:	06/08/1999	Application #:	08923821	Filing Dt:	09/04/1997
Title:	METHOD OF PREPARING MEMBRANES FROM BLENDS OF POLYMERS

Patent #:	5897729	Issue Dt:	04/27/1999	Application #:	08928480	Filing Dt:	09/12/1997
Title:	PROCESS OF MAKING A STRUCTURE ENHANCING HOLLOW FIBER MODULE

Patent #:	5964925	Issue Dt:	10/12/1999	Application #:	08968943	Filing Dt:	11/12/1997
Title:	NOVEL SULFONATED POLYIMIDE GAS SEPARATION MEMBRANES

Patent #:	6290756	Issue Dt:	09/18/2001	Application #:	08984633	Filing Dt:	12/03/1997
Title:	HOLLOW FIBER MEMBRANE TUBESHEETS OF VARIABLE EPOXY COMPOSITION AND HARDNESS

Patent #:	6497747	Issue Dt:	12/24/2002	Application #:	09404724	Filing Dt:	09/24/1999
Title:	PRODUCTION AND USE OF IMPROVED POLYIMIDE SEPARATION MEMBRANES

Patent #:	6790263	Issue Dt:	09/14/2004	Application #:	09661902	Filing Dt:	09/14/2000
Title:	POLYIMIDE GAS SEPARATION MEMBRANES

Patent #:	6540813	Issue Dt:	04/01/2003	Application #:	09839920	Filing Dt:	04/20/2001
Publication #:	US20020038602	Pub Dt:	04/04/2002
Title:	METHOD OF PREPARING COMPOSITE GAS SEPARATION MEMBRANES FROM PERFLUOROPOLYMERS

Patent #:	6776820	Issue Dt:	08/17/2004	Application #:	09900881	Filing Dt:	07/10/2001
Publication #:	US20030010205	Pub Dt:	01/16/2003
Title:	INTEGRAL HOLLOW FIBER MEMBRANE GAS DRYER AND FILTRATION DEVICE

Patent #:	6740140	Issue Dt:	05/25/2004	Application #:	09947366	Filing Dt:	09/07/2001
Publication #:	US20030047077	Pub Dt:	03/13/2003
Title:	HOLLOW FIBER MEMBRANE SYSTEM ASSEMBLY WITH AN INTERNAL REFLUX SYSTEM

Patent #:	6740728	Issue Dt:	05/25/2004	Application #:	10153703	Filing Dt:	05/24/2002
Publication #:	US20030233933	Pub Dt:	12/25/2003
Title:	METHODS FOR THE PREPARATION OF POLYESTERS, POLY (ESTER AMIDE) S AND POLY (ESTER IMIDE) S AND USES OF THE MATERIALS OBTAINED THEREFROM

Patent #:	6755894	Issue Dt:	06/29/2004	Application #:	10153912	Filing Dt:	05/24/2002
Publication #:	US20020162455	Pub Dt:	11/07/2002
Title:	HOLLOW FIBER MEMBRANE GAS SEPARATION CARTRIDGE AND GAS PURIFICATION ASSEMBLY

Patent #:	NONE	Issue Dt:		Application #:	10187099	Filing Dt:	07/01/2002
Publication #:	US20040000231	Pub Dt:	01/01/2004
Title:	Composite gas separation membranes from perfluoropolymers

Patent #:	6723152	Issue Dt:	04/20/2004	Application #:	10187124	Filing Dt:	07/01/2002
Publication #:	US20040003714	Pub Dt:	01/08/2004
Title:	GAS SEPARATION USING MEMBRANES FORMED FROM BLENDS OF PERFLUORINATED POLYMERS

Patent #:	6709494	Issue Dt:	03/23/2004	Application #:	10289248	Filing Dt:	11/07/2002
Publication #:	US20030159583	Pub Dt:	08/28/2003
Title:	HIGH TEMPERATURE MEMBRANE MODULE TUBESHEET COMPOSED OF THERMOSET RESIN BLENDS

Patent #:	6716270	Issue Dt:	04/06/2004	Application #:	10350230	Filing Dt:	01/23/2003
Publication #:	US20030164090	Pub Dt:	09/04/2003
Title:	NOVEL POLYIMIDE AMIC ACID SALTS AND POLYIMIDE MEMBRANES FORMED THEREFROM

Patent #:	6923846	Issue Dt:	08/02/2005	Application #:	10371934	Filing Dt:	02/21/2003
Publication #:	US20030126988	Pub Dt:	07/10/2003
Title:	METHOD OF PREPARING COMPOSITE GAS SEPARATION MEMBRANES FROM PERFLUOROPOLYMERS

Assignor

PRAXAIR TECHNOLOGY, INC.

Exec Dt:

11/11/2004

Assignee

L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE

75 QUAI D'ORSAY

PARIS, CEDEX 7, FRANCE 75321

Correspondence name and address
	LINDA K. RUSSELL
	2700 POST OAK BLVD.
	SUITE 1800
	HOUSTON, TX 77056

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