Patent Assignment
Reel/Frame 019609/0069
Assignment of Assignor's Interest
Recorded: 2007-07-25
Pages: 3
Assignor
OILFIELD MINERAL SOLUTIONS LIMITED
Executed: 2007-06-15
Assignee
M-I PRODUCTION CHEMICALS UK LIMITED
JOHNSTONE HOUSE, 52-54 ROSE STREET, ABERDEEN, AB10 1HA, UNITED KINGDOM
Covered Property
(1)
Hydrocarbon Recovery Techniques
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 25, 2007
From: KEATCH, RICHARD
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 019609/0169 →
Assignment of Assignor's Interest
Jun 7, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED; M-I PRODUCTION CHEMICALS LIMITED UK
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046021/0551 →
Corrective Assignment to Correct the Assignor's Second Page of the Assignment Previously Recorded on Reel 046021 Frame 0551. Assignor(S) Hereby Confirms the Assignment.
Jun 28, 2018
From: M-I DRILLING FLUIDS U.K. LIMITED; M-I PRODUCTION CHEMICALS LIMITED UK
To: OILFIELD MINERAL SOLUTIONS LIMITED
Reel/Frame 046463/0303 →
Assignment of Assignor's Interest
May 27, 2021
From: OILFIELD MINERAL SOLUTIONS LIMITED
To: EXKAL LIMITED
Reel/Frame 056374/0017 →