IP Library › Assignment 011732/0789
Patent Assignment
Reel/Frame 011732/0789

Assignment of Assignor's Interest

Recorded: 2001-04-20 Pages: 4
Assignors
NELSON, JOYCE KATZ
Executed: 2001-04-19
BIKSON, BENJAMIN
Executed: 2001-04-19
MACHERAS, JAMES TIMOTHY
Executed: 2001-04-19
Assignee
PRAXAIR TECHNOLOGY, INC.
39 RIDGEBURY ROAD, DANBURY, CONNECTICUT, 06810
Covered Property (1)
Method of Preparing Composite Gas Separation Membranes from Perfluoropolymers
Patent: 6,540,813 →
Application: 09/839,920 →
Publication: US 2002/0038602
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 →