Patent Assignment
Reel/Frame 014859/0974
Assignment of Assignor's Interest
Recorded: 2003-12-30
Pages: 3
Assignor
TONG, DAVID YOUDONG
Executed: 2003-12-19
Assignee
NALCO ENERGY SERVICES
7701 HIGHWAY 90-A, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Composition and Method for Preventing Fouling in (Meth)Acrylic Acid Processes
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Feb 17, 2006
From: NALCO ENERGY SERVICES, L.P.
To: NALCO COMPANY
Reel/Frame 017186/0077 →
Security Agreement
May 18, 2009
From: NALCO COMPANY; CALGON LLC; NALCO ONE SOURCE LLC; NALCO CROSSBOW WATER LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 022703/0001 →
Release of Security Interest
Feb 24, 2017
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 041808/0713 →
Assignment of Assignor's Interest
Apr 4, 2017
From: NALCO COMPANY
To: ECOLAB USA INC.
Reel/Frame 042147/0420 →