Patent Assignment
Reel/Frame 018570/0328
Assignment of Assignor's Interest
Recorded: 2006-11-07
Pages: 3
Assignor
CARMAN, PAUL SCOTT
Executed: 2006-11-01
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Use of anionic surfactants as hydration aid for fracturing fluids
Application:
11/593,924 →
Publication:
US 2008/0108522
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jun 17, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026465/0022 →
Change of Name
Jun 23, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026498/0356 →
Assignment of Assignor's Interest
Jun 27, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026508/0854 →