Patent Assignment
Reel/Frame 004949/0692
Assignment of Assignors Interest.
Recorded: 1988-09-13
Pages: 2
Assignee
Covered Property
(1)
Immunoassay Process Utilizing a Cellulose Organic Ester Fibret Support Element
Patent:
5,298,430 →
Application:
07/243,746 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 23, 1998
From: HOECHST CELANESE CORPORATION
To: BEHRING DIAGNOSTICS GMBH
Reel/Frame 008975/0682 →
Assignment of Assignor's Interest
May 29, 1998
From: HOECHST CELANESE CORPORATION
To: CELANESE ACETATE LLC
Reel/Frame 009207/0923 →
Change of Name
Dec 28, 1998
From: BEHRING DIAGNOSTICS GMBH
To: DADE BEHRING MARBURG GMBH
Reel/Frame 009670/0138 →
Grant of Security Interest in United States Patents, Trademarks and Other Intellectual Property Rights
Dec 14, 2001
From: DADE BEHRING MARBURG GMBH
To: DRESDNER BANK AKTIENGESELLSCHAFT IN FRANKFURT AM MAIN
Reel/Frame 012333/0714 →
Release of Security Interest
May 16, 2006
From: DRESDNER BANK AKTIENGESELLSCHAFT IN FRANKFURT AM MAIN
To: DADE BEHRING MARBURG GMBH
Reel/Frame 017675/0358 →
Change of Name
Feb 26, 2009
From: DADE BEHRING MARBURG GMBH
To: SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS GMBH
Reel/Frame 022309/0627 →