Patent Assignment
Reel/Frame 006594/0489
Assignment of Assignor's Interest
Recorded: 1993-06-09
Pages: 3
Assignee
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80 FEDERAL REPUBLIC OF GERMANY
Covered Property
(1)
Polymer Electrolytes and Their Preparation
Patent:
5,362,836 →
Application:
08/073,878 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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 14, 2005
From: CLEANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017230/0181 →
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 →