Patent Assignment
Reel/Frame 012300/0928
Assignment of Assignor's Interest
Recorded: 2001-09-27
Pages: 2
Assignors
BERNETH, HORST
Executed: 2001-07-10
BIERINGER, THOMAS
Executed: 2001-07-31
HAGEN, RAINER
Executed: 2001-07-11
KOSTROMINE, SERGUEI
Executed: 2001-07-30
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Erasable Optical Recording Material for Blue Lasers
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 038365/0392 →