Patent Assignment
Reel/Frame 055157/0678
Assignment of Assignor's Interest
Recorded: 2021-01-28
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 SOUTH STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Properties
(2)
Nanocrystalline Cellulose and Polymer-Grafted Nanocrystalline Cellulose as Rheology Modifying Agents for Magnesium Oxide and Lime Slurries
Nanocrystalline Cellulose and Polymer-Grafted Nanocrystalline Cellulose as Rheology Modifying Agents for Magnesium Oxide and Lime Slurries
Application:
62/242,037 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 15, 2015
From: MOGHADAM, SHAYAN; KARNATI, RANGARANI; BODE, HEINRICH E.
To: ECOLAB USA INC.
Reel/Frame 036803/0506 →
Assignment of Assignor's Interest
Oct 22, 2016
From: MOGHADAM, SHAYAN; KARNATI, RANGARANI; BODE, HEINRICH E.
To: ECOLAB USA INC.
Reel/Frame 040255/0345 →
Assignment of Assignor's Interest
Sep 26, 2018
From: GILL, JASBIR S.
To: ECOLAB USA INC.
Reel/Frame 046983/0298 →
Change of Address
Sep 24, 2019
From: ECOLAB USA INC.
To: ECOLAB USA INC.
Reel/Frame 050481/0917 →
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 →
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
Dec 7, 2023
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 065799/0403 →
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 →