Patent Assignment
Reel/Frame 016722/0099
Change of Name
Recorded: 2005-06-27
Pages: 3
Assignor
AXIVA GMBH
Executed: 2000-10-27
Assignee
CELANESE VENTURES GMBH
D-65926 FRANKFURT AM MAIN, GERMANY
Covered Properties
(4)
Polymer-Stabilised Metal Colloid Solutions, Method for Producing Said Solutions and Use of the Same as Catalysts for Fuel Cell
Patent:
6,462,095 →
Application:
09/529,528 →
Method for Producing a Membrane Used to Operate Fuel Cells and Electrolyzers
Patent:
6,355,149 →
Application:
09/555,973 →
Polybetaine Stabilized Platinum Nanoparticles, Method for the Production Thereof and Utilization for Fuel-Cell Catalysts
Patent:
6,391,818 →
Application:
09/555,980 →
Fuel Cell with Improved Long Term Performance, Method for Operating a Pme Fuel Cell and Pme Fuel Cell Battery
Patent:
6,852,440 →
Application:
09/762,513 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 14, 2000
From: SOCZKA-GUTH, THOMAS; BAURMAISTER, JOCHEN; FRANK, GEORG; KNAUF, RUDIGER
To: AXIVA GMBH
Reel/Frame 011033/0169 →
Assignment of Assignor's Interest
Aug 31, 2000
From: BONSEL, HARALD; DECKERS, GREGOR; FRANK, GEORG; MILLAUER, HANS
To: AXIVA GMBH
Reel/Frame 011067/0816 →
Assignment of Assignor's Interest
Aug 31, 2000
From: BONSEL, HARALD; DECKERS, GREGOR; FRANK, GEORG; MILLAUER, HANS
To: AXIVA GMBH
Reel/Frame 011083/0115 →
Assignment of Assignor's Interest
Jul 23, 2001
From: BONSEL, HARALD; DECKERS, GREGOR
To: AXIVA GMBH
Reel/Frame 011999/0490 →
Assignment of Assignor's Interest
Nov 14, 2005
From: CLEANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017230/0181 →
Assignment of Assignor's Interest
Nov 14, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017223/0694 →
Assignment of Assignor's Interest
Nov 19, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017325/0323 →