Patent Assignment
Reel/Frame 023563/0967
Assignment of Assignor's Interest
Recorded: 2009-11-24
Pages: 5
Assignee
CHEMPLEX, LTD.
506 CR 137, SYNDER, TEXAS, 79550
Covered Property
(1)
Viscosity Breaker for Polyacrylamide Friction Reducers
Application:
12/624,788 →
Publication:
US 2010/0069271
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 1, 2009
From: VALERIANO, OSCAR L.; DYER, RICHARD J.
To: CHEMPLEX, LTD.
Reel/Frame 023585/0928 →
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 →