IP Library › Assignment 025772/0773
Patent Assignment
Reel/Frame 025772/0773

Assignment of Assignor's Interest

Recorded: 2011-01-28 Pages: 6
Assignors
SOMMER, STEFAN
Executed: 2011-01-10
LUEHMANN, ERHARD
Executed: 2011-01-11
UNAL, SERKAN
Executed: 2011-01-21
DVORCHAK, MICHAEL J.
Executed: 2011-01-25
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 Sized and/or Wet-Strength Papers, Paperboards and Cardboards
Patent: 8,647,471 →
Application: 12/975,470 →
Publication: US 2012/0160437
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038353/0325 →