Patent Assignment
Reel/Frame 022459/0560
Assignment of Assignor's Interest
Recorded: 2009-03-27
Pages: 3
Assignor
KNOPP, MALCOLM STUART
Executed: 2009-03-16
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Non-Emulsifying Anti-Sludge Composition for Use in the Acid Treatment of Hydrocarbon Wells
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.