Patent Assignment
Reel/Frame 007451/0862
Assignment of Assignor's Interest
Recorded: 1995-03-30
Pages: 3
Assignors
HAMANN, INGO
Executed: 1995-03-22
KOHLE, HANS-JURGEN
Executed: 1995-03-22
WEHNER, WINFRIED
Executed: 1995-03-22
Assignee
WITCO SURFACTANTS GMBH
INDUSTRIEGEBIET WEST, STEINAU AN DER STRASSE, D-363, GERMANY
Covered Property
(1)
Process for Preparing Highly Concentrated, Free-Flowing Aqueous Solutions of Betaines
Patent:
5,681,972 →
Application:
08/413,190 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 7, 2000
From: WITCO SURFACTANTS GMBH
To: GOLDSCHMIDT REWO GMBH & CO. KG
Reel/Frame 011077/0972 →
Change of Entity
Mar 4, 2010
From: GOLDSCHMIDT REWO GMBH & CO. KG
To: GOLDSCHMIDT REWO GMBH
Reel/Frame 024023/0746 →
Change of Name
Mar 4, 2010
From: GOLDSCHMIDT REWO GMBH
To: EVONIK GOLDSCHMIDT REWO GMBH
Reel/Frame 024023/0750 →