IP Library › Assignment 017180/0591
Patent Assignment
Reel/Frame 017180/0591

Assignment of Assignor's Interest

Recorded: 2005-11-01 Pages: 3
Assignors
HEUER, HELMUT-WERNER
Executed: 2005-09-21
WEHRMANN, ROLF
Executed: 2005-09-21
BLASCHKE, ULRICH
Executed: 2005-10-04
ERKELENZ, MICHAEL
Executed: 2005-09-21
Assignee
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Branched Polycarbonates
Patent: 7,345,133 →
Application: 11/263,678 →
Publication: US 2006/0094855
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 038399/0306 →