Patent Assignment
Reel/Frame 015612/0963
Assignment of Assignor's Interest
Recorded: 2005-01-24
Pages: 8
Assignor
PRAXAIR TECHNOLOGY, INC.
Executed: 2004-11-11
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, 75321, FRANCE
Covered Properties
(35)
Method for Preparing Composite Membranes for Enhanced Gas Seperation
Patent:
4,840,819 →
Application:
07/035,781 →
Composite Separation Membranes and the Preparation and Use Thereof
Patent:
4,767,422 →
Application:
07/035,783 →
Composite Membranes and Their Manufacture and Use
Patent:
4,826,599 →
Application:
07/072,056 →
Tubesheet for Semipermeable Membrane Devices
Patent:
4,800,019 →
Application:
07/184,799 →
Method for Gas Separation Using Helically Wound Hollow Fibers Permeable Membrane Cartridge
Patent:
4,881,955 →
Application:
07/242,602 →
Sulfonated Hexafluoro Bis-a Polysulfone Membranes and Process for Fluid Separations
Patent:
4,971,695 →
Application:
07/429,614 →
Fluids Separation Device
Patent:
5,026,479 →
Application:
07/479,475 →
Process for Dehydration of Gases and Composite Permeable Membranes Therefor
Patent:
5,067,971 →
Application:
07/609,625 →
Hollow Fiber Membranes
Patent:
5,181,940 →
Application:
07/739,322 →
Fluid Separation Composite Membranes Prepared from Sulfonated Aromatic Polymers in Lithium Salt Form
Patent:
5,364,454 →
Application:
08/083,598 →
Production and Use of Improved Composite Fluid Separation Membranes
Patent:
5,356,459 →
Application:
08/083,604 →
Fluid Separation Assembly Having an Purge Control Valve
Patent:
5,411,662 →
Application:
08/201,529 →
Method of Preparing Membranes from Blends of Polyetherimide and Polyimide Polymers
Patent:
5,443,728 →
Application:
08/234,037 →
Fluid Separation Membranes Prepared from Blends of Polyimide Polymers
Patent:
5,635,067 →
Application:
08/404,208 →
Hollow Fiber Membrane Separation Apparatus
Patent:
5,837,033 →
Application:
08/622,318 →
Structure Enhancing Hollow Fiber Module
Patent:
5,702,601 →
Application:
08/625,671 →
Novel Sulfonated Polyimide Gas Separation Membranes
Patent:
5,725,633 →
Application:
08/656,953 →
Method of Preparing Membranes from Blends of Polymers
Patent:
5,891,572 →
Application:
08/738,140 →
Method and Apparatus for Spinning Hollow Fiber Membranes
Patent:
5,871,680 →
Application:
08/907,624 →
Method of Preparing Membranes from Blends of Polymers
Patent:
5,910,274 →
Application:
08/923,821 →
Process of Making a Structure Enhancing Hollow Fiber Module
Patent:
5,897,729 →
Application:
08/928,480 →
Novel Sulfonated Polyimide Gas Separation Membranes
Patent:
5,964,925 →
Application:
08/968,943 →
Hollow Fiber Membrane Tubesheets of Variable Epoxy Composition and Hardness
Patent:
6,290,756 →
Application:
08/984,633 →
Production and Use of Improved Polyimide Separation Membranes
Patent:
6,497,747 →
Application:
09/404,724 →
Polyimide Gas Separation Membranes
Patent:
6,790,263 →
Application:
09/661,902 →
Method of Preparing Composite Gas Separation Membranes from Perfluoropolymers
Integral Hollow Fiber Membrane Gas Dryer and Filtration Device
Hollow Fiber Membrane System Assembly with an Internal Reflux System
Methods for the Preparation of Polyesters, Poly (Ester Amide) S and Poly (Ester Imide) S and Uses of the Materials Obtained Therefrom
Hollow Fiber Membrane Gas Separation Cartridge and Gas Purification Assembly
Composite gas separation membranes from perfluoropolymers
Application:
10/187,099 →
Publication:
US 2004/0000231
Gas Separation Using Membranes Formed from Blends of Perfluorinated Polymers
High Temperature Membrane Module Tubesheet Composed of Thermoset Resin Blends
Novel Polyimide Amic Acid Salts and Polyimide Membranes Formed Therefrom
Method of Preparing Composite Gas Separation Membranes from Perfluoropolymers
Related Assignments
(21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 17, 1988
From: BIKSON, BENJAMIN; GIGLIA, SALVATORE
To: UNION CARBIDE CORPORATION, OLD RIDGEBURY ROAD, DANBURY, CT 06817, A CORP. OF NY
Reel/Frame 004895/0873 →
Assignment of Assignors Interest.
Oct 20, 1988
From: BIKSON, BENJAMIN; GIGLIA, SALVATORE
To: UNION CARBIDE CORPORATION
Reel/Frame 004969/0337 →
Assignment of Assignors Interest.
Dec 26, 1989
From: UNION CARBIDE INDUSTRIAL GASES INC.
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION, A CORP. OF DE.
Reel/Frame 005271/0177 →
Assignment of Assignors Interest.
Dec 26, 1989
From: UNION CARBIDE INDUSTRIAL GASES INC., A CORP. OF DE
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
Reel/Frame 005206/0425 →
Assignment of Assignors Interest.
Jan 16, 1990
From: KAWAKAMI, JAMES H.; BIKSON, BENJAMIN; GOTZ, GERTRUD; OZCAYIR, YURDAGUL
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION, A CORP. OF DE
Reel/Frame 005228/0437 →
Assignment of Assignors Interest.
Mar 22, 1990
From: BIKSON, BENJAMIN; GIGLIA, SALVATORE
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION, A CORP. OF DE
Reel/Frame 005261/0941 →
Assignment of Assignors Interest.
Sep 17, 1991
From: BIKSON, BENJAMIN; MACHERAS, JAMES T.; NELSON, JOYCE K.
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION A CORP. OF DE
Reel/Frame 005841/0246 →
Change of Name Effective on 06/12/1992
Dec 3, 1992
From: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006337/0037 →
Assignment of Assignors Interest.
Dec 3, 1992
From: UNION CARBIDE CORPORATION
To: UNION CARBIDE INDUSTRIAL GASES INC.
Reel/Frame 006335/0809 →
Assignment of Assignors Interest.
Apr 8, 1993
From: UNION CARBIDE INDUSTRIAL GASES CORPORATION
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006459/0523 →
Assignment of Assignor's Interest
Aug 31, 1993
From: BIKSON, BENJAMIN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006674/0456 →
Assignment of Assignor's Interest
Sep 16, 1993
From: BIKSON, BENJAMIN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006723/0125 →
Assignment of Assignor's Interest
Apr 21, 1994
From: NICOLAS, PATRICK SAMUEL, JR.; BIKSON, BENJAMIN; GIGLIA, SALVATORE; THOMPSON, DAVID RICHARD
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006964/0857 →
Assignment of Assignor's Interest
Jun 6, 1994
From: MACHERAS, JAMES TIMOTHY; BIKSON, BENJAMIN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 007011/0481 →
Assignment of Assignor's Interest
Apr 3, 1995
From: MACHERAS, JAMES TIMOTHY
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 007401/0026 →
Assignment of Assignor's Interest
Apr 25, 1996
From: GIGLIA, SALVATORE; BIKSON, BENJAMIN
To: PRAXIR TECHNOLOGY, INC.
Reel/Frame 007918/0575 →
Assignment of Assignor's Interest
May 21, 1996
From: BIKSON, BENJAMIN; GIGLIA, SALVATORE; NICOLAS, PATRICK SAMUEL JR.; FORD, CHERYL ANN
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 007953/0195 →
Assignment of Assignor's Interest
Nov 19, 1996
From: OXCAYIR, YURDAGUL F.; GOETZ, GERTRUD; BIKSON, BENJAMIN
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 008229/0759 →
Assignment of Assignor's Interest
Apr 10, 1998
From: MACHERAS, JAMES TIMOTHY; FORD, CHERYL ANN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 009126/0262 →
Assignment of Assignor's Interest
Oct 19, 1999
From: DING, YONG; BIKSON, BENJAMIN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 010328/0428 →
Assignment of Assignor's Interest
Oct 10, 2000
From: DING, YONG; BIKSON, BENJAMIN; NELSON, JOYCE KATZ
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 011247/0636 →