Patent Assignment
Reel/Frame 043242/0687
Assignment of Assignor's Interest
Recorded: 2017-08-09
Pages: 3
Assignor
NALCO COMPANY LLC
Executed: 2017-02-27
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, SAINT PAUL, MINNESOTA, 55102
Covered Properties
(2)
Method for Determination of System Parameters for Reducing Crude Unit Corrosion
Method for Determination of System Parameters for Reducing Crude Unit Corrosion
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 1, 2010
From: BANKS, RODNEY H.; CIOTA, STEVEN R.; WELZ, SASCHA J.
To: NALCO COMPANY
Reel/Frame 025415/0852 →
Assignment of Assignor's Interest
Apr 27, 2011
From: BANKS, RODNEY H.; CIOTA, STEVEN R.; WELZ, SASCHA J.
To: NALCO COMPANY
Reel/Frame 026186/0483 →
Change of Name
Aug 9, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 043494/0584 →