Patent Assignment
Reel/Frame 037245/0777
Assignment of Assignor's Interest
Recorded: 2015-12-09
Pages: 4
Assignor
MARATHON OIL CANADA CORPORATION
Executed: 2015-06-24
Assignees
MARATHON OIL CANADA CORPORATION
440 SECOND AVENUE, S.W., SUITE 2400, ERNST & YOUNG TOWER, CALGARY, ALBERTA, T2P 539, CANADA
SHELL CANADA ENERGY
400 FOURTH AVENUE, S.W., CALGARY, ALBERTA, T2P 2H5, CANADA
Covered Property
(1)
Separation of Tailings That Include Asphaltenes
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 21, 2008
From: DUYVESTEYN, WILLEM P.C.
To: MARATHON OIL COMPANY
Reel/Frame 020686/0181 →
Assignment of Assignor's Interest
Dec 23, 2008
From: KIFT, JULIAN
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0137 →
Assignment of Assignor's Interest
Dec 23, 2008
From: MARATHON OIL COMPANY
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0180 →
Change of Name
Jan 23, 2013
From: MARATHON OIL CANADA CORPORATION
To: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
Reel/Frame 029675/0197 →
Change of Name
May 22, 2013
From: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 030467/0595 →
Nunc Pro Tunc Assignment
Feb 27, 2018
From: SHELL CANADA ENERGY
To: CANADIAN NATURAL UPGRADING LIMITED
Reel/Frame 045054/0463 →