Patent Assignment
Reel/Frame 067168/0886
Assignment of Assignor's Interest
Recorded: 2024-04-19
Pages: 7
Assignors
NGUYEN, DUY T.
Executed: 2020-01-02
DUTTLINGER, WILLIAM T., JR.
Executed: 2019-12-17
KARNATI, RANGARANI
Executed: 2019-12-17
ZONG, ZHENGANG
Executed: 2019-12-17
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
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: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 067169/0545 →
Assignment of Assignor's Interest
Apr 23, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067196/0041 →