Patent Assignment
Reel/Frame 067169/0545
Assignment of Assignor's Interest
Recorded: 2024-04-19
Pages: 7
Assignor
ECOLAB USA INC.
Executed: 2020-06-03
Assignee
CHAMPIONX USA INC.
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Surface-Modified Nanoparticle Compositions and Related Applications in Subterranean Hydrocarbon Recovery
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 28, 2023
From: HE, KAI; DO, LINH
To: CHAMPIONX USA INC.
Reel/Frame 065975/0712 →
Assignment of Assignor's Interest
Apr 19, 2024
From: NGUYEN, DUY T.; DUTTLINGER, WILLIAM T., JR.; KARNATI, RANGARANI; ZONG, ZHENGANG
To: ECOLAB USA INC.
Reel/Frame 067168/0886 →
Assignment of Assignor's Interest
Apr 23, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067196/0041 →