Patent Assignment
Reel/Frame 016909/0506
Assignment of Assignor's Interest
Recorded: 2005-08-24
Pages: 7
Assignors
UENSAL, OEMER
Executed: 2005-06-29
KIEFER, JOACHIM
Executed: 2005-07-05
CALUNDANN, GORDON
Executed: 2005-05-12
SANSONE, MICHAEL
Executed: 2005-05-25
BENICEWICZ, BRIAN
Executed: 2005-05-12
CHOE, EUI WON
Executed: 2005-06-06
Assignee
CELANESE VENTURES GMBH
INDUSTRIEPARK HOCHST, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Proton Conducting Polymer Membrane Comprising Phosphonic Acid Groups Containing Polyazoles and the Use Thereof in Fuel Cells
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.