IP Library › Assignment 025815/0397
Patent Assignment
Reel/Frame 025815/0397

Assignment of Assignor's Interest

Recorded: 2011-02-16 Pages: 3
Assignors
SMITH, CLAYTON
Executed: 2007-12-14
LEVEY, SIMON JOHN MICHAEL
Executed: 2007-12-14
Assignee
INNOVATIVE CHEMICAL TECHNOLOGIES CANADA LTD.
7100 - 44 STREET S.E., CALGARY, T2C 2V7, CANADA
Covered Property (1)
Non-Phosphorus-Based Gellants for Hydrocarbon Fluids
Patent: 7,932,216 →
Application: 11/957,248 →
Publication: US 2008/0146466
Related Assignments (3)
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 7, 2014
From: WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 031925/0207 →
Assignment of Assignor's Interest Oct 15, 2015
From: WEATHERFORD CANADA PARTNERSHIP
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036796/0095 →