Patent Assignment
Reel/Frame 005196/0477
Assignment of Assignors Interest.
Recorded: 1989-12-11
Pages: 3
Assignors
DITTRICH, EWALD
Executed: 1989-09-09
MANNER, REINHARD
Executed: 1989-09-09
BIRTIGH, GERHARD
Executed: 1989-09-09
SCHMIDT, FELIX
Executed: 1989-10-09
Assignee
DEGUSSA AKTIENGESELLSCHAFT, A CORP. OF THE FED. REP. OF GERMANY
WEISSFRAUENSTRABE 9,, 6000 FRANKFURT/MAIN,, GERMANY
Covered Property
(1)
Apparatus and Method for Removing Washcoat Remaining in the Channels of Freshly Coated Monolithic or Honeycombed Catalyst Carriers and Use of the Apparatus
Patent:
5,070,893 →
Application:
07/305,396 →
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 →