IP Library Assignment 017496/0122
Patent Assignment
Reel/Frame 017496/0122

Assignment of Assignor's Interest

Recorded: 2006-01-24 Pages: 2
Assignors
SCHAL, HANS-PETER
Executed: 2005-11-09
WOLF, ULRICH
Executed: 2005-11-11
Assignee
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for the Distillation of a Mixture of Isomeric Diisocyanatodiphenyl-Methanes
Patent: 7,521,576 →
Application: 11/338,458 →
Publication: US 2006/0173206
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 →