Patent Assignment
Reel/Frame 022972/0745
Assignment of Assignor's Interest
Recorded: 2009-07-17
Pages: 6
Assignors
SUN, HONG
Executed: 2009-07-14
DEBENEDICTIS, FRANCES
Executed: 2009-07-14
QU, QI
Executed: 2009-07-14
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Method of Treating Subterranean Formations with Carboxylated Guar Derivatives
Related Assignments
(5)
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 →
Entity Conversion
Oct 4, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044127/0001 →
Change of Name
Feb 16, 2018
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 045349/0522 →