Patent Assignment
Reel/Frame 015714/0225
Assignment of Assignor's Interest
Recorded: 2004-08-20
Pages: 3
Assignors
KOHLSTRUK, STEPHAN
Executed: 2004-06-09
KRECZINSKI, MANFRED
Executed: 2004-06-09
ELM, RAINER
Executed: 2004-06-09
MICHALCZAK, HANS-WERNER
Executed: 2004-06-09
Assignee
DEGUSSA AG
BENNIGSENPLATZ 1, D-40474 DUESSELDORF, GERMANY
Covered Property
(1)
Multistage Continuous Preparation of Cycloaliphatic Diisocyanates
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change Address
Feb 22, 2010
From: EVONIK DEGUSSA GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 023985/0296 →
Change of Entity
Feb 22, 2010
From: DEGUSSA AG
To: DEGUSSA GMBH
Reel/Frame 023998/0937 →
Change of Name
Feb 23, 2010
From: DEGUSSA GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 024006/0127 →
Change of Name
Jan 31, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051765/0166 →