IP Library Assignment 007011/0481
Patent Assignment
Reel/Frame 007011/0481

Assignment of Assignor's Interest

Recorded: 1994-06-06 Pages: 5
Assignors
MACHERAS, JAMES TIMOTHY
Executed: 1994-04-19
BIKSON, BENJAMIN
Executed: 1994-04-19
NELSON, JOYCE KATZ
Executed: 1994-04-19
Assignee
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD, DANBURY, CONNECTICUT, 06810-5113
Covered Property (1)
Method of Preparing Membranes from Blends of Polyetherimide and Polyimide Polymers
Patent: 5,443,728 →
Application: 08/234,037 →
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 →