Patent Assignment
Reel/Frame 014738/0750
Assignment of Assignor's Interest
Recorded: 2003-11-20
Pages: 2
Assignors
RICHTER, FRANK
Executed: 2003-09-23
HALPAAP, REINHARD
Executed: 2003-09-23
LAAS, HANS-JOSEF
Executed: 2003-09-23
HECKING, ANDREAS
Executed: 2003-09-23
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Preparation of Polyisocyanates Containing Uretdione Groups
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 →