IP Library Assignment 044598/0356
Patent Assignment
Reel/Frame 044598/0356

Assignment of Assignor's Interest

Recorded: 2018-01-11 Pages: 4
Assignor
KERR, RICHARD
Executed: 1997-10-08
Assignee
CANADIAN OCCIDENTAL PETROLEUM LTD.
801 7TH AVENUE SW, CALGARY, AB, T2P 3P7, CANADA
Covered Property (1)
Processes for Producing Hydrocarbons from a Reservoir
Application: 15/525,174 →
Publication: US 2017/0321528
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 11, 2018
From: CNOOC CANADA HOLDING ULC
To: NEXEN ENERGY ULC
Reel/Frame 044598/0445 →
Assignment of Assignor's Interest Jan 11, 2018
From: HARDING, THOMAS; HOWE, ANN
To: NEXEN ENERGY ULC
Reel/Frame 044598/0336 →
Change of Name Jan 11, 2018
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 044598/0400 →
Merger and Change of Name Jan 11, 2018
From: CNOOC CANADA HOLDING ULC; NEXEN ENERGY ULC
To: CNOOC CANADA HOLDING ULC
Reel/Frame 045045/0869 →
Change of Name Jan 11, 2018
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 045045/0834 →
Change of Name Jan 11, 2018
From: CANADIAN OCCIDENTAL PETROLEUM LTD.
To: NEXEN INC.
Reel/Frame 045045/0836 →
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →