Patent Assignment
Reel/Frame 019952/0642
Merger
Recorded: 2007-10-12
Pages: 5
Assignor
NALCO ENERGY SERVICES L.P
Executed: 2006-01-01
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Method and Composition for Recovering Hydrocarbon Fluids from a Subterranean Reservoir
Application:
11/870,035 →
Publication:
US 2008/0085844
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 10, 2007
From: TREYBIG, DUANE S.; CHANG, KIN-TAI
To: NALCO ENERGY SERVICES L.P
Reel/Frame 019940/0869 →
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
May 26, 2015
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 035771/0668 →
Release of Security Interest
Feb 24, 2017
From: BANK OF AMERICA, N.A.
To: NALCO COMPANY
Reel/Frame 041808/0713 →
Change of Name
Feb 28, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 041835/0903 →
Assignment of Assignor's Interest
Feb 28, 2017
From: NALCO COMPANY LLC; CALGON CORPORATION; CALGON LLC; ONDEO NALCO ENERGY SERVICES, L.P.
To: ECOLAB USA INC.
Reel/Frame 041836/0437 →
Assignment of Assignor's Interest
Apr 4, 2017
From: NALCO COMPANY
To: ECOLAB USA INC.
Reel/Frame 042147/0420 →