Patent Assignment
Reel/Frame 044158/0297
Assignment of Assignor's Interest
Recorded: 2017-11-17
Pages: 20
Assignors
RITTSTEIGER, ANNE
Executed: 2017-09-14
CASSENS, JAN
Executed: 2017-09-25
HENGSTERMANN, ALEX
Executed: 2017-09-15
KNOOP, CORD
Executed: 2017-09-22
MÜLLER, ANJA
Executed: 2017-09-15
RÜFER, ALEXANDER MARTIN
Executed: 2017-09-15
Assignee
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11, ESSEN, 45128, GERMANY
Covered Property
(1)
Purification of Crude Isophoronediamine by Partial Condensation in Series with Total Condensation
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.