Patent Assignment
Reel/Frame 005931/0652
Assignment of Assignors Interest.
Recorded: 1991-12-04
Pages: 2
Assignors
SCHMIDT, FELIX
Executed: 1991-11-05
MERGNER, BERND
Executed: 1991-11-11
DOMESLE, RAINER
Executed: 1991-11-14
Assignee
DEGUSSA AKTIENGESELLSCHAFT, A CORP. OF FED. REP. OF GERMANY
WEISSFRAUENSTRASSE 9, 6000, FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Method of Improving the Thermal Shock Behavior of Monolithic Catalysts
Patent:
5,139,993 →
Application:
07/658,476 →
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 017125/0956 →