Patent Assignment
Reel/Frame 042674/0033
Assignment of Assignor's Interest
Recorded: 2017-06-02
Pages: 7
Assignor
NALCO COMPANY
Executed: 2015-12-21
Assignee
NALCO COMPANY LLC
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property
(1)
Microemulsion Flowback Aid Composition and Method of Using Same
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 27, 2012
From: NGUYEN, DUY T
To: NALCO COMPANY
Reel/Frame 027934/0497 →
Assignment of Assignor's Interest
Jun 2, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042576/0294 →
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
Sep 10, 2020
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 053749/0001 →
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 19, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067768/0888 →
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 →