Patent Assignment
Reel/Frame 008587/0106
Assignment of Assignor's Interest
Recorded: 1997-07-03
Pages: 3
Assignor
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
Executed: 1997-06-02
Assignee
BAROID LIMITED
197 KNIGHTS BRIDGE, LONDON, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Use of Selected Oleophilic Alcohols in Water-Based Drilling Fluids of the O/W-Emulsion Type and Corresponding Drilling Fluids with Improved Ecological Acceptability
Patent:
5,194,422 →
Application:
07/773,631 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 15, 1991
From: MUELLER, HEINZ; HEROLD, CLAUS-PETER; VON TAPAVICZA, STEPHAN; FUES, JOHANN F.
To: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA) A CORPORATION OF THE FED. REP. OF GERMANY
Reel/Frame 006003/0248 →
Assignment of Assignor's Interest
May 23, 2000
From: GRIMES, DOUGLAS JOHN
To: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN; BAROID LIMITED
Reel/Frame 010832/0696 →
Assignment of Assignor's Interest
Mar 25, 2004
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: COGNIS DEUTSCHLAND GMBH & CO. KG
Reel/Frame 014462/0055 →