IP Library › Assignment 029453/0037
Patent Assignment
Reel/Frame 029453/0037

Assignment of Assignor's Interest

Recorded: 2012-12-12 Pages: 2
Assignors
GUERTLER, CHRISTOPH, DR.
Executed: 2012-08-28
HOFMANN, JOERG, DR.
Executed: 2012-09-06
MUELLER, THOMAS ERNST, DR.
Executed: 2012-09-19
WOLF, AUREL, DR.
Executed: 2012-08-03
GRASSER, STEFAN, DR.
Executed: 2012-09-03
KOEHLER, BURKHARD, DR.
Executed: 2012-09-19
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10, MONHEIM, 40789, GERMANY
Covered Property (1)
Process for the Preparation of Polyether Carbonate Polyols
Patent: 9,382,417 →
Application: 13/636,509 →
Publication: US 2013/0072602
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 10, 2016
From: BAYER INTELLECTUAL PROPERTY GMBH
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038056/0732 →
Change of Name Mar 21, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038188/0408 →
Change of Name Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038370/0892 →