Patent Assignment
Reel/Frame 008587/0118
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)
Oleophilic Basic Amine Compounds as an Additive for Invert Drilling Muds
Patent:
5,254,531 →
Application:
07/825,436 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →