IP Library › Assignment 016928/0381
Patent Assignment
Reel/Frame 016928/0381

Assignment of Assignor's Interest

Recorded: 2005-08-25 Pages: 3
Assignors
KEGGENHOFF, BERTHOLD
Executed: 2005-07-07
LOKUM, HEINRICH
Executed: 2005-08-01
MUENNIG, JUERGEN
Executed: 2005-07-13
Assignee
BAYER MATERIALSCIENCE AG
LEVERKUSEN, D51368, GERMANY
Covered Property (1)
Process and Apparatus for the Production of Phosgene
Patent: 7,442,835 →
Application: 11/211,898 →
Publication: US 2006/0047170
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038353/0325 →