IP Library Assignment 014651/0554
Patent Assignment
Reel/Frame 014651/0554

Assignment of Assignor's Interest

Recorded: 2003-10-27 Pages: 2
Assignor
OBERTHUR, MARKUS
Executed: 2003-10-02
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Anti-Aging Agents for Rubber Vulcanizates Based on Organic Compounds Containing Conjugated Azadienes
Patent: 7,323,520 →
Application: 10/694,584 →
Publication: US 2004/0087722
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 →