IP Library › Assignment 020493/0514
Patent Assignment
Reel/Frame 020493/0514

Assignment of Assignor's Interest

Recorded: 2008-02-01 Pages: 3
Assignor
BAYER ANTWERPEN COMM. V.
Executed: 2008-01-30
Assignees
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205-9741
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for the preparation of polyether-ester polyols
Patent: 9,284,401 →
Application: 11/713,898 →
Publication: US 2008/0114086
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 5, 2007
From: LORENZ, KLAUS; ALBERS, REINHARD; OTTO, FRANK; LEYRER, ULRICH
To: BAYER MATERIALSCIENCE LLC; BAYER MATERIALSCIENCE AKTIENGESELLSCHAFT
Reel/Frame 019054/0019 →
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 →
Change of Name Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038358/0387 →