IP Library Assignment 027505/0590
Patent Assignment
Reel/Frame 027505/0590

Assignment of Assignor's Interest

Recorded: 2012-01-10 Pages: 6
Assignors
GUERTLER, CHRISTOPH
Executed: 2011-10-12
MUELLER, THOMAS ERNST
Executed: 2011-11-09
OOMS, PIETER
Executed: 2011-11-14
RISSE, FRIEDHELM
Executed: 2011-10-17
RECHNER, JOHANN
Executed: 2011-10-20
DORO, FRANCES
Executed: 2011-12-13
PROKOFIEVA, ANGELINA
Executed: 2011-11-10
Assignee
BAYER MATERIALSCIENCE AG
BUILDING Q 18, PATENTS & LICENSING, LEVERKUSEN, 51368, GERMANY
Covered Property (1)
Process for Preparing Diaryl Carbonates from Dialkyl Carbonates
Patent: 8,304,509 →
Application: 13/251,381 →
Publication: US 2012/0101247
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 038399/0469 →