Patent Assignment
Reel/Frame 019363/0027
Assignment of Assignor's Interest
Recorded: 2007-05-31
Pages: 5
Assignee
CHEMPLEX, LTD.
506 CR 137, SNYDER, TEXAS, 79550
Covered Property
(1)
Viscosity Breaker for Polyacrylamide Friction Reducers
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 13, 2011
From: CHEMPLEX, LTD.
To: CHEMPLEX ADVANCED MATERIALS, LLC
Reel/Frame 027374/0713 →
Corrective Assignment to Correct the Assignee's Address Previously Recorded on Reel 027374 Frame 0713. Assignor(S) Hereby Confirms the Assignment.
Dec 14, 2011
From: CHEMPLEX, LTD.
To: CHEMPLEX ADVANCED MATERIALS, LLC
Reel/Frame 027380/0612 →
Merger
Mar 17, 2015
From: VENTANA RESOURCES MANAGEMENT, LLC
To: CHEMLOGICS GROUP, LLC
Reel/Frame 035180/0518 →
Merger
Mar 17, 2015
From: CHEMLOGICS GROUP, LLC
To: SOLVAY USA INC.
Reel/Frame 035180/0576 →
Merger
Mar 17, 2015
From: CHEMPLEX ADVANCED MATERIALS, LLC
To: VENTANA RESOURCES MANAGEMENT, LLC
Reel/Frame 035210/0063 →
Assignment of Assignor's Interest
Oct 28, 2025
From: SOLVAY USA INC.
To: ENERGY SOLUTIONS (US) LLC
Reel/Frame 072702/0825 →