Patent Assignment
Reel/Frame 007291/0540
Assignment of Assignor's Interest
Recorded: 1995-01-09
Pages: 3
Assignors
HAMANN, INGO
Executed: 1994-11-28
KOHLE, HANS-JURGEN
Executed: 1994-11-28
WEHNER, WINFRIED
Executed: 1994-11-28
Assignee
WITCO SURFACTANTS GMBH INDUSTRIEGEBIET WEST
STEINAU AN DER STR., D-36396, GERMANY
Covered Property
(1)
Process for the Preparation of Highly Concentrated Free-Flowing Aqueous Solutions of Betaines
Patent:
5,464,565 →
Application:
08/321,141 →
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 →