IP Library Assignment 010973/0469
Patent Assignment
Reel/Frame 010973/0469

Assignment of Assignor's Interest

Recorded: 2000-07-26 Pages: 2
Assignors
STAWITZ, JOSEF-WALTER
Executed: 2000-06-15
MICHAELIS, STEPHAN
Executed: 2000-06-15
Assignee
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN, KONZERNBEREICH RP, D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Preparation of Arylaminohydroxyanthraquinones
Patent: 6,420,576 →
Application: 09/625,567 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 20, 2003
From: LEWELLEN, VORIA M., MOTHER AND SURVIVOR OF ARTHELL SIMES, DECEASED
To: LEWELLEN, VORIA M.
Reel/Frame 013862/0867 →
Assignment of Assignor's Interest Nov 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018463/0662 →