Patent Assignment
Reel/Frame 065019/0082
Assignment of Assignor's Interest
Recorded: 2023-09-21
Pages: 28
Assignor
M-I DRILLING FLUIDS UK LIMITED
Executed: 2023-06-26
Assignee
SCHLUMBERGER OILFIELD UK LIMITED
MINERVA, MANOR ROYAL, CRAWLEY, RH10 9BU, UNITED KINGDOM
Covered Property
(1)
Quaternary Ammonium Corrosion Inhibitor
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2012
From: JENKINS, ALYN EDWARD; GRAINGER, NEIL
To: M-I DRILLING FLUIDS UK LTD.
Reel/Frame 027631/0494 →
Assignment of Assignor's Interest
Dec 4, 2012
From: BLEZARD, MICHAEL; PEPIN, MATHIEU
To: M-I DRILLING FLUIDS UK LIMITED; STEPAN UK LIMITED
Reel/Frame 029402/0038 →