Patent Assignment
Reel/Frame 019054/0019
Assignment of Assignor's Interest
Recorded: 2007-03-05
Pages: 4
Assignors
LORENZ, KLAUS
Executed: 2007-02-09
ALBERS, REINHARD
Executed: 2007-02-19
OTTO, FRANK
Executed: 2007-02-14
LEYRER, ULRICH
Executed: 2007-02-14
WARDIUS, DON S.
Executed: 2007-03-05
HEADLEY, KEITH J.
Executed: 2007-02-27
Assignees
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205-9741
BAYER MATERIALSCIENCE AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Process for the preparation of polyether-ester polyols
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
This Is a Corrective Assignment to Correct the Third Assignee Was Omitted on Reel 019054 Frame 0019
Apr 9, 2007
From: LORENZ, KLAUS; ALBERS, REINHARD; OTTO, FRANK; LEYER, ULRICH
To: BAYER MATERIALSCIENCE LLC; BAYER MATERIALSCIENCE AKTIENGESELLSCHAFT; BAYER ANTWERPEN COMM. V.
Reel/Frame 019167/0797 →
Assignment of Assignor's Interest
Feb 1, 2008
From: BAYER ANTWERPEN COMM. V.
To: BAYER MATERIALSCIENCE LLC; BAYER MATERIALSCIENCE AG
Reel/Frame 020493/0514 →
Change of Name
Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038358/0387 →