IP Library Assignment 027934/0497
Patent Assignment
Reel/Frame 027934/0497

Assignment of Assignor's Interest

Recorded: 2012-03-27 Pages: 3
Assignor
NGUYEN, DUY T
Executed: 2012-03-26
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property (1)
Microemulsion Flowback Aid Composition and Method of Using Same
Patent: 9,701,888 →
Application: 13/431,003 →
Publication: US 2013/0261033
Related Assignments (8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 2, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042576/0294 →
Assignment of Assignor's Interest Jun 2, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042674/0033 →
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 →
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 →