Patent Assignment
Reel/Frame 007980/0835
Assignment of Assignor's Interest
Recorded: 1996-06-04
Pages: 3
Assignors
SAMSONE,MICHAEL J.
Executed: 1995-10-25
ONORATO, FRANK J.
Executed: 1995-10-25
OGATA, NAOYA
Executed: 1996-01-11
Assignee
HOECHST CELANESE CORPORATION
ROUTE 202-206, SOMERVILLE, NEW JERSEY, 08876
Covered Property
(1)
Acid - Modified Polybenzimidazole Fuel Cell Elements
Patent:
5,599,639 →
Application:
08/549,337 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0163 →
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 14, 2005
From: AVENTIS PHARMA DEUTSCHLAND GMBH
To: CELANESE VENTURES GMBH
Reel/Frame 017223/0711 →
Assignment of Assignor's Interest
Nov 18, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017240/0846 →
Assignment of Assignor's Interest
Nov 19, 2005
From: AVENTIS PHARMA DEUTSCHLAND
To: CELANESE VENTURES GMBH
Reel/Frame 017275/0116 →
Assignment of Assignor's Interest
Nov 19, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017325/0323 →