IP Library › Assignment 014511/0342
Patent Assignment
Reel/Frame 014511/0342

Assignment of Assignor's Interest

Recorded: 2004-04-12 Pages: 5
Assignors
CALUNDANN, GORDON
Executed: 2004-03-23
SANSONE, MICHAEL J.
Executed: 2004-03-31
UENSAL, OEMER
Executed: 2004-03-30
KIEFER, JOACHIM
Executed: 2004-03-22
Assignee
CELANESE VENTURES GMBH
65926 FRANKFURT, GERMANY
Covered Property (1)
Proton-Conducting Membrane and the Use Thereof
Patent: 7,384,552 →
Application: 10/472,814 →
Publication: US 2004/0096734
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 8, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 016823/0485 →
Change of Name Oct 21, 2008
From: PEMEAS GMBH
To: BASF FUEL CELL GMBH
Reel/Frame 021709/0083 →