Patent Assignment
Reel/Frame 012660/0309
Assignment of Assignor's Interest
Recorded: 2002-03-05
Pages: 3
Assignors
TREYBIG, DUANE S.
Executed: 2002-01-04
CHANG, K.T.
Executed: 2002-01-04
WILLIAMS, DENNIS A.
Executed: 2002-01-04
Assignee
ONDEO NALCO ENERGY SERVICES, L.P.
7701 HIGHWAY 90-A, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Novel Demulsifiers, Their Preparation and Use in Oil Bearing Formations
Patent:
7,504,438 →
Application:
10/034,661 →
Related Assignments
(14)
Other recorded transfers of the patent in this record — the chain of ownership.
Grant of Security Interest
Dec 8, 2003
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: CITICORP NORTH AMERICA, INC. AS ADMINISTRATIVE AGENT
Reel/Frame 014797/0293 →
Change of Name
Mar 14, 2006
From: ONDEO NALCO ENERGY SERVICES, L.P.
To: NALCO ENERGY SERVICES, L.P.
Reel/Frame 017304/0646 →
Merger
Dec 2, 2008
From: NALCO ENERGY SERVICES L.P
To: NALCO COMPANY
Reel/Frame 021914/0031 →
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 →
Release of Security Interest
Feb 28, 2017
From: CITICORP NORTH AMERICA, INC.
To: NALCO COMPANY
Reel/Frame 041837/0366 →
Assignment of Assignor's Interest
Feb 28, 2017
From: NALCO COMPANY LLC; CALGON CORPORATION; CALGON LLC; ONDEO NALCO ENERGY SERVICES, L.P.
To: ECOLAB USA INC.
Reel/Frame 041836/0437 →
Change of Name
Feb 28, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 041836/0364 →
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: JPMORGAN CHASE BANK, N.A.
Reel/Frame 053250/0001 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 052848/0368 →
Release of Security Interest
Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: CHAMPIONX USA INC.
Reel/Frame 060304/0267 →
Assignment of Assignor's Interest
Jun 20, 2022
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 060988/0630 →
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 →