IP Library Assignment 026273/0855
Patent Assignment
Reel/Frame 026273/0855

Assignment of Assignor's Interest

Recorded: 2011-05-13 Pages: 2
Assignors
MUENNICH, CHRISTIAN
Executed: 2011-04-21
KONRAD, STEPHAN
Executed: 2011-05-02
KOEHLER, KARL-HEINZ
Executed: 2011-05-03
Assignee
BAYER MATERIALSCIENCE AG
BUILDING Q 18, PATENTS & LICENSING, LEVERKUSEN, 51368, GERMANY
Covered Property (1)
Purification of Tris-Hydroxyaryl Compounds
Patent: 8,507,732 →
Application: 13/081,811 →
Publication: US 2011/0251438
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 30, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0469 →