IP Library Assignment 013633/0522
Patent Assignment
Reel/Frame 013633/0522

Assignment of Assignor's Interest

Recorded: 2002-10-04 Pages: 4
Assignors
HOFEN, WILLI
Executed: 2002-07-25
THIELE, GEORG
Executed: 2002-07-24
Assignees
DEGUSSA AG
BENNIGSENPLATZ 1, DE-40474 DUSSELDORF, GERMANY
UHDE GMBH
FRIEDRICH-UHDE-STRASSE 15, DE-44141 DORTMUND, GERMANY
Covered Property (1)
Process for the Epoxidation of Olefins
Patent: 6,670,492 →
Application: 10/203,186 →
Publication: US 2003/0092920
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 Mar 29, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 052254/0052 →