Patent Assignment
Reel/Frame 016541/0147
Assignment of Assignor's Interest
Recorded: 2005-05-03
Pages: 3
Assignors
DUGGIRALA, PRASAD Y.
Executed: 2001-07-19
SHEVCHENKO, SERGEY M.
Executed: 2001-07-19
SALMEN, KRISTINE S.
Executed: 2001-07-19
Assignee
ONDEO NALCO COMPANY
ONDEO NALCO CENTER, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Methods to Enhance Pulp Bleaching and Delignification
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 26, 2007
From: ONDEO NALCO COMPANY
To: NALCO COMPANY
Reel/Frame 019217/0864 →
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 →