Patent Assignment
Reel/Frame 018844/0401
Assignment of Assignor's Interest
Recorded: 2007-01-29
Pages: 4
Assignors
ESTENFELDER, MARVIN
Executed: 2006-12-12
HARTSBERGER, HELMUT
Executed: 2007-01-03
GUCKEL, CHRISTIAN
Executed: 2006-12-04
Assignee
SUD-CHEMIE AG
LENBACHPLATZ 6, MUNCHEN, D-80333, GERMANY
Covered Property
(1)
Catalyst and Method for Producing Phthalic Anhydride
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.