IP Library Assignment 011247/0636
Patent Assignment
Reel/Frame 011247/0636

Assignment of Assignor's Interest

Recorded: 2000-10-10 Pages: 5
Assignors
DING, YONG
Executed: 2000-10-02
BIKSON, BENJAMIN
Executed: 2000-10-02
NELSON, JOYCE KATZ
Executed: 2000-10-02
Assignee
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD, DANBURY, CONNECTICUT, 06810
Covered Property (1)
Polyimide Gas Separation Membranes
Patent: 6,790,263 →
Application: 09/661,902 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 24, 2005
From: PRAXAIR TECHNOLOGY, INC.
To: L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
Reel/Frame 015612/0963 →