IP Library Assignment 026946/0442
Patent Assignment
Reel/Frame 026946/0442

Assignment of Assignor's Interest

Recorded: 2011-09-22 Pages: 2
Assignors
WEHRMANN, ROLF
Executed: 2011-08-18
HEUER, HELMUT WERNER
Executed: 2011-08-19
Assignee
BAYER MATERIALSCIENCE AG
BUILDING Q 18, PATENTS & LICENSING, LEVERKUSEN, 51368, GERMANY
Covered Property (1)
(Co)Polycarbonates with Improved Optical Properties
Patent: 9,139,730 →
Application: 13/258,508 →
Publication: US 2012/0022204
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 30, 2016
From: COVESTRO DEUTSCHLAND AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038301/0001 →
Corrective Assignment to Correct the Assignor Name Previously Recorded on Reel 038301 Frame 0001. Assignor(S) Hereby Confirms the Change of Name from Bayer Materialscience Ag to Covestro Deutschland Ag. Jun 13, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038966/0865 →