Patent Assignment
Reel/Frame 017132/0553
Assignment of Assignor's Interest
Recorded: 2005-10-21
Pages: 3
Assignor
KNOPP, MALCOLM STUART
Executed: 2005-10-20
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
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.