Patent Assignment
Reel/Frame 021236/0406
Merger
Recorded: 2008-07-15
Pages: 5
Assignor
NALCO ENERGY SERVICES L.P
Executed: 2006-01-01
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Method and Composition for Recovering Hydrocarbon Fluids from a Subterranean Reservoir
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 18, 2003
From: TREYBIG, DUANE; CHANG, KIN-TAI
To: ONDEO NALCO ENERGY SERVICES
Reel/Frame 014832/0181 →
Assignment of Assignor's Interest
Mar 29, 2004
From: SCHWARTZ, JAMES A., JR.; PLANTE, STEPHANE G.
To: MICROSOFT CORPORATION
Reel/Frame 015145/0266 →
Change of Name
Mar 14, 2006
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: NALCO ENERGY SERVICES, L.P.
Reel/Frame 017304/0646 →
Security Agreement
May 18, 2009
From: NALCO COMPANY; CALGON LLC; NALCO ONE SOURCE LLC; NALCO CROSSBOW WATER LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 022703/0001 →
Release of Security Interest
Feb 24, 2017
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 041808/0713 →
Assignment of Assignor's Interest
Apr 4, 2017
From: NALCO COMPANY
To: ECOLAB USA INC.
Reel/Frame 042147/0420 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 052848/0368 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 053250/0001 →
Assignment of Assignor's Interest
Mar 23, 2022
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 059483/0470 →
Release of Security Interest
Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: CHAMPIONX USA INC.
Reel/Frame 060304/0267 →
Release of Security Interest in Patents
Jul 17, 2025
From: JPMORGAN CHASE BANK, N.A.
To: CHAMPIONX LLC; APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORP; HARBISON-FISCHER, INC.
Reel/Frame 072004/0019 →