IP Library › Assignment 015504/0629
Patent Assignment
Reel/Frame 015504/0629

Assignment of Assignor's Interest

Recorded: 2004-12-29 Pages: 2
Assignors
ARLT, DIETER
Executed: 2004-09-30
MESEGUER, BENJAMIN
Executed: 2004-11-15
Assignee
BAYER CHEMICALS AG
D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Chiral Phosphanes for Use in Asymmetric Syntheses
Patent: 7,625,443 →
Application: 10/940,785 →
Publication: US 2005/0085377
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 30, 2006
From: BAYER CHEMICALS AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018454/0850 →
Assignment of Assignor's Interest Nov 1, 2006
From: BAYER CHEMICALS AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018463/0687 →
Assignment of Assignor's Interest Dec 24, 2008
From: LANXESS DEUTSCHLAND GMBH
To: LIGAND CHEMIE GMBH
Reel/Frame 022024/0465 →
Assignment of Assignor's Interest Dec 24, 2008
From: LIGAND CHEMIE GMBH
To: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
Reel/Frame 022024/0510 →