IP Library › Assignment 024493/0983
Patent Assignment
Reel/Frame 024493/0983

Assignment of Assignor's Interest

Recorded: 2010-06-07 Pages: 4
Assignors
SMITH, CLAYTON
Executed: 2006-06-01
OSWALD, DARIN
Executed: 2006-05-23
DAFFIN, MICHAEL
Executed: 2006-05-23
Assignee
INNOVATIVE CHEMICAL TECHNOLOGIES CANADA LTD.
7100 - 4 STREET S.E., CALGARY, T2C 2V7, CANADA
Covered Property (1)
Clay Control Additive for Wellbore Fluids
Patent: 7,915,202 →
Application: 12/768,618 →
Publication: US 2010/0210484
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 15, 2011
From: INNOVATIVE CHEMICAL TECHNOLOGIES CANADA LTD.
To: WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD
Reel/Frame 025810/0323 →
Amalgamation-Dissolution-General Conveyance and Assumption Agreement Jan 6, 2014
From: WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 031923/0521 →
Assignment of Assignor's Interest Oct 15, 2015
From: WEATHERFORD CANADA PARTNERSHIP
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036796/0095 →
Assignment of Assignor's Interest Jan 18, 2018
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: THE LUBRIZOL CORPORATION
Reel/Frame 044655/0922 →