IP Library › Assignment 016823/0485
Patent Assignment
Reel/Frame 016823/0485

Assignment of Assignor's Interest

Recorded: 2005-08-08 Pages: 3
Assignor
CELANESE VENTURES GMBH
Executed: 2005-07-28
Assignee
PEMEAS GMBH
INDUSTRIEPARK HOOCHST, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Properties (9)
Membranes Containing Sulfonated Polyetherketone and Another Polymer,Method for the Production and Use Thereof
Patent: 6,914,084 →
Application: 09/807,304 →
Method for Production of Polyelectrolyte Membranes and Fuel Cell
Patent: 7,396,615 →
Application: 09/868,978 →
Sulfonated Aromatic Polymers, Membrane Containing Said Polymers and a Method for Production and Use of the Same
Patent: 6,994,788 →
Application: 09/914,704 →
Novel Membranes Having Improved Mechanical Properties, for Use in Fuel Cells
Patent: 7,285,325 →
Application: 10/399,514 →
Publication: US 2004/0131909
Method for Producing a Solution Consisting of a Polymer Containing Recurrent Azole Units, Solutions Produced According to Said Method and Use of the Same
Patent: 6,998,464 →
Application: 10/399,600 →
Publication: US 2004/0127633
Method for Producing a Membrane Made of Bridged Polymer and a Fuel Cell
Patent: 7,229,553 →
Application: 10/468,988 →
Publication: US 2004/0118773
Proton-Conducting Membrane and the Use Thereof
Patent: 7,235,320 →
Application: 10/472,810 →
Publication: US 2004/0127588
Proton-Conducting Membrane and the Use Thereof
Patent: 7,384,552 →
Application: 10/472,814 →
Publication: US 2004/0096734
Polymer composition, membrane containing said composition, method for the production and uses thereof
Application: 10/685,179 →
Publication: US 2004/0091762
Related Assignments (7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 24, 2001
From: YAMAMOTO, TETSU
To: CELANESE VENTURES GMBH
Reel/Frame 012269/0224 →
Assignment of Assignor's Interest Feb 10, 2004
From: SOCZKA-GUTH, THOMAS; KIEFER, JOACHIM; JORDT, FRAUKE
To: CELANESE VENTURES GMBH
Reel/Frame 014325/0919 →
Assignment of Assignor's Interest Feb 10, 2004
From: GUTH, THOMAS; PAWLIK, JURGEN; JORDT, FRAUKE; TLEFENSTADTER, REINER
To: CELANESE VENTURES GMBH
Reel/Frame 014325/0962 →
Assignment of Assignor's Interest Apr 12, 2004
From: CALUNDANN, GORDON; SANSONE, MICHAEL J.; UENSAL, OEMER; KIEFER, JOACHIM
To: CELANESE VENTURES GMBH
Reel/Frame 014511/0342 →
Assignment of Assignor's Interest Nov 29, 2005
From: CALUNDANN, GORDON; SANSONE, MICHAEL J.; UENSAL, OEMER; KIEFER, JOACHIM
To: CELANESE VENTURES GMBH
Reel/Frame 017074/0551 →
Change of Name Sep 13, 2007
From: PEMEAS GMBH
To: BASF FUEL CELL GMBH
Reel/Frame 019819/0827 →
Change of Name Oct 21, 2008
From: PEMEAS GMBH
To: BASF FUEL CELL GMBH
Reel/Frame 021709/0083 →