Patent Assignment
Reel/Frame 019609/0169
Assignment of Assignor's Interest
Recorded: 2007-07-25
Pages: 3
Assignor
KEATCH, RICHARD
Executed: 2007-05-18
Assignee
OILFIELD MINERAL SOLUTIONS LIMITED
37 BIG BRIGS WAY, NEWTONGRANGE, EDINBURGH, EH22 4DG, 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: OILFIELD MINERAL SOLUTIONS LIMITED
To: M-I PRODUCTION CHEMICALS UK LIMITED
Reel/Frame 019609/0069 →
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 →