Patent Assignment
Reel/Frame 004364/0646
Assignment of Assignors Interest.
Recorded: 1985-02-22
Pages: 3
Assignors
VOLKER, HERBERT
Executed: 1984-11-01
DOMESLE, RAINER
Executed: 1984-11-01
KOBERSTEIN, EDGAR
Executed: 1984-10-31
PLETKA, HANS-DIETER
Executed: 1984-11-01
Assignee
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9, A CORP. OF GERMANY, 6000 FRANKFURT/MAIN, GERMANY
Covered Property
(1)
Process and Catalyst for the Reduction of the Ignition Temperature of Diesel Soot Filtered Out of the Exhaust Gas of Diesel Engines
Patent:
4,515,758 →
Application:
06/521,292 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 18, 2000
From: DEGUSSA AKTIENGESELLSCHAFT
To: DEGUSSA-HULS AKTIENGESELLSCHAFT
Reel/Frame 010719/0914 →
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 →