Patent Assignment
Reel/Frame 010104/0170
Assignment of Assignor's Interest
Recorded: 1999-07-16
Pages: 4
Assignors
LOX, EGBERT
Executed: 1999-05-05
GIESHOFF, JURGEN
Executed: 1999-05-05
STREHLAU, WOLFGANG
Executed: 1999-06-01
KREUZER, THOMAS
Executed: 1999-05-05
Assignee
DEGUSSA-HULS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9, 60311 FRANKFURT AM MAIN 1, GERMANY
Covered Property
(1)
Process for Reducing the Nitrogen Oxides Content of Exhaust Gas from an Internal Combustion Engine
Patent:
6,238,525 →
Application:
09/299,630 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jun 6, 2001
From: DEGUSSA-HULS AKTIENGESELLSCHAFT
To: DEGUSSA AG
Reel/Frame 011855/0608 →
Assignment of Assignor's Interest
Jun 25, 2001
From: DEGUSSA AKTIENGESELLSCHAFT
To: DMC2 DEGUSSA METALS
Reel/Frame 011923/0370 →
Assignment of Assignor's Interest
Dec 20, 2005
From: DEGUSSA AG
To: UMICORE AG & CO. KG
Reel/Frame 017136/0001 →