IP Library › Assignment 033973/0309
Patent Assignment
Reel/Frame 033973/0309

Assignment of Assignor's Interest

Recorded: 2014-10-17 Pages: 4
Assignor
MARATHON OIL CANADA CORPORATION
Executed: 2013-12-05
Assignees
SHELL CANADA ENERGY
400 4TH AVENUE SW, CALGARY, ALBERTA, T2P 2H5, CANADA
CHEVRON CANADA LIMITED
500 5TH AVENUE SW, CHANGPING, BEIJING, T2P 0L7, CANADA
Covered Property (1)
Biodiesel Production and Use in Oil Sands Processing
Patent: 7,824,453 →
Application: 11/517,730 →
Publication: US 2008/0060257
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 23, 2007
From: WILLEM P.C. DUYVESTEYN
To: WESTERN OIL SANDS USA, INC.
Reel/Frame 019067/0208 →
Assignment of Assignor's Interest Dec 23, 2008
From: WESTERN OIL SANDS USA, INC.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0025 →
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 →