IP Library Assignment 013209/0039
Patent Assignment
Reel/Frame 013209/0039

Assignment of Assignor's Interest

Recorded: 2002-08-15 Pages: 2
Assignors
THIEBES, CHRISTOPH
Executed: 2002-07-27
STAWITZ, JOSEF-WALTER
Executed: 2002-07-03
Assignee
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Preparation of 1-Amino-4-Hydroxyanthraquinones
Patent: 6,884,899 →
Application: 10/219,795 →
Publication: US 2003/0045735
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018584/0319 →