Patent Assignment
Reel/Frame 012185/0554
Assignment of Assignor's Interest
Recorded: 2001-08-07
Pages: 2
Assignors
HOFMANN, JORG
Executed: 2001-06-21
OOMS, PIETER
Executed: 2001-06-22
GUPTA, PRAMOD
Executed: 2001-06-29
SCHAFER, WALTER
Executed: 2001-06-19
LOHRENZ, JOHN
Executed: 2001-06-25
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Double Metal Cyanide Catalysts for Producing Polyether Polyols
Patent:
7,008,900 →
Application:
09/890,889 →
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 →