IP Library › Assignment 024446/0294
Patent Assignment
Reel/Frame 024446/0294

Assignment of Assignor's Interest

Recorded: 2010-05-26 Pages: 5
Assignors
SMITH, CLAYTON
Executed: 2009-04-30
LEVEY, SIMON JOHN MICHAEL
Executed: 2009-04-30
REN, YONGLIN
Executed: 2009-04-29
Assignee
INNOVATIVE CHEMICAL TECHNOLOGIES CANADA LTD.
7100 - 44 STREET SE, CALGARY, ALBERTA, T2C 2V7, CANADA
Covered Property (1)
Bitumen Anti-Accretion Additive
Patent: 9,249,350 →
Application: 12/779,827 →
Publication: US 2010/0298173
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 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 →
Assignment of Assignor's Interest Jan 18, 2018
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: THE LUBRIZOL CORPORATION
Reel/Frame 044655/0922 →