Patent Assignment
Reel/Frame 013286/0583
Assignment of Assignor's Interest
Recorded: 2002-09-11
Pages: 2
Assignors
NEUMANN, RAINER
Executed: 2002-05-02
LANZE, ROLF
Executed: 2002-05-02
HEYDENREICH, FRIEDER
Executed: 2002-06-12
BODIGER, MICHAEL
Executed: 2002-07-09
PREIN, MICHAEL
Executed: 2002-06-24
Assignee
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Bisphenol Phenol Adducts
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER AG
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038044/0799 →
Change of Name
Mar 22, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0358 →
Change of Name
Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038363/0921 →