Patent Assignment
Reel/Frame 004073/0628
Assignment of Assignors Interest.
Recorded: 1982-12-17
Pages: 1
Assignor
FREYTAG, J. WILLIAM
Executed: 1982-10-15
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP OF DE., WILMINGTON, DELAWARE
Covered Property
(1)
Immunoassay Wherein Labeled Antibody Is Displaced from Immobilized Analyte-Analogue
Patent:
4,434,236 →
Application:
06/435,454 →
Related Assignments
(13)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 15, 1996
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: DADE CHEMISTRY SYSTEMS, INC.
Reel/Frame 007894/0187 →
Assignment of Assignor's Interest
May 15, 1996
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: DADE CHEMISTRY SYSTEMS INC.
Reel/Frame 007927/0891 →
Security Agreement
Jul 26, 1996
From: DADE CHEMISTRY SYSTEMS INC.
To: BANKERS TRUST COMPANY
Reel/Frame 008067/0284 →
Merger
Jun 11, 1997
From: DADE CHEMISTRY SYSTEMS INC.
To: DADE INTERNATIONAL INC.
Reel/Frame 008628/0470 →
Merger
Jun 11, 1997
From: DADE CHEMISTRY SYSTEMS INC.
To: DADE INTERNATIONAL INC.
Reel/Frame 008628/0823 →
Change of Name
Jun 1, 1998
From: DADE INTERNATIONAL INC.
To: DADE BEHRING INC.
Reel/Frame 009328/0921 →
Change of Name
Jun 1, 1998
From: DADE INTERNATIONAL INC.
To: BADE BEHRING INC.
Reel/Frame 009297/0425 →
Change of Name
Jun 8, 1998
From: DADE INTERNATIONAL INC.
To: DADE BEHRING INC.
Reel/Frame 009267/0071 →
Change of Name
Aug 20, 1998
From: DADE INTERNATIONAL INC.
To: DADE BEHRING INC.
Reel/Frame 009405/0428 →
Security Agreement
Sep 15, 1999
From: DADE BEHRING INC.
To: BANKERS TRUST COMPANY
Reel/Frame 010231/0085 →
Security Interest
Nov 29, 2002
From: DADE BEHRING INC.
To: DEUTSCHE BANK AG
Reel/Frame 013484/0739 →
Patent Release
Mar 18, 2003
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: CHIMERA RESEARCH AND CHEMICAL INC.
Reel/Frame 013821/0108 →
Release of Security Interest for Patents
May 4, 2005
From: DEUTSCHE BANK AG, NEW YORK BRANCH
To: DADE BEHRING INC.
Reel/Frame 015972/0363 →