Patent Assignment
Reel/Frame 059482/0275
Assignment of Assignor's Interest
Recorded: 2022-03-23
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
INC., CHAMPIONX USA
11177 SOUTH STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Use of Anionic Dispersion Polymers as Viscosity Modifiers in Aqueous Drilling Fluids
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
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
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 041835/0903 →
Release of Security Interest
Feb 28, 2017
From: CITICORP NORTH AMERICA, INC.
To: NALCO COMPANY
Reel/Frame 041832/0826 →
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 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 059482 Frame: 0275. Assignor(S) Hereby Confirms the Assignment .
Apr 5, 2022
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 059613/0001 →
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 →