Patent Assignment
Reel/Frame 028842/0004
Assignment of Assignor's Interest
Recorded: 2012-08-24
Pages: 6
Assignors
KLESCZEWSKI, BERT
Executed: 2010-05-03
HOFMANN, JORG
Executed: 2011-05-11
LORENZ, KLAUS
Executed: 2010-05-10
REESE, JACK R.
Executed: 2010-05-25
PAZOS, JOSE F.
Executed: 2010-03-23
Assignees
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205-9741
BAYER MATERIALSCIENCE AG
51368, LEVERKUSEN, GERMANY
Covered Property
(1)
Process for the Production of Polyether Polyols with a High Ethylene Oxide Content
Application:
12/725,631 →
Publication:
US 2011/0230581
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 2, 2010
From: KLESCZEWSKI, BERT; HOFMANN, JORG; LORENZ, KLAUS; REESE, JACK R.
To: BAYER MATERIALSCIENCE LLC; BAYER MATERIALSCIENCE AG
Reel/Frame 024467/0565 →
Change of Name
Oct 16, 2015
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 036876/0001 →
Change of Name
Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038358/0387 →