IP Library Assignment 042989/0294
Patent Assignment
Reel/Frame 042989/0294

Assignment of Assignor's Interest

Recorded: 2017-07-12 Pages: 2
Assignors
LUDEWIG, MICHAEL
Executed: 2008-06-23
MATNER, MATHIAS
Executed: 2008-06-27
Assignee
BAYER MATERIALSCIENCE AG
KAISER-WILHELM-ALLEE 60, LEVERKUSEN, 51373, GERMANY
Covered Property (1)
Polyester Prepolymers
Patent: 8,431,674 →
Application: 13/023,924 →
Publication: US 2011/0130512
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Aug 3, 2017
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 043428/0238 →