IP Library Assignment 027831/0062
Patent Assignment
Reel/Frame 027831/0062

Assignment of Assignor's Interest

Recorded: 2012-03-07 Pages: 4
Assignors
DUYVESTEYN, WILLEM P. C.
Executed: 2012-03-06
KIFT, JULIAN
Executed: 2012-03-05
Assignee
MARATHON OIL CANADA CORPORATION
440 - SECOND AVENUE, S.W., ERNST & YOUNG TOWER, CALGARY, ALBERTA, T2P 5E9, CANADA
Covered Property (1)
Methods of Upgrading Asphaltene Compositions
Application: 13/310,395 →
Publication: US 2012/0151834
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →