Patent Assignment
Reel/Frame 006168/0948
Assignment of Assignors Interest.
Recorded: 1992-06-29
Pages: 4
Assignee
CHEMIE AG BITTERFELD-WOLFEN, A CORPORATION OF GERMANY
O-4400 BITTERFELD, GERMANY
Covered Property
(1)
Method for Decreasing the Sulfur Content of Phosphorus
Application:
07/871,453 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jul 28, 2004
From: CHEMIE AG BITTERFELD-WOLFEN
To: CHEMIE GMBH BITTEREID-WOLFEN
Reel/Frame 014913/0590 →
Instrument of Confirmation - Assignment
Jul 28, 2004
From: CHEMIE GMBH BITTERFELD-WOLFEN
To: AKZO CHEMICALS WUPPERTAL GMBH
Reel/Frame 014913/0596 →
Instrument of Confirmation-Merger
Jul 28, 2004
From: AKZO CHEMICALS WUPPERTAL GMBH
To: AKZO NOBEL CHEMICALS GMBH
Reel/Frame 014913/0625 →