Patent Assignment
Reel/Frame 028448/0158
Corrective Assignment to Correct the Assignor(S) Previously Recorded on Reel 022755 Frame 0164. Assignor(S) Hereby Confirms the Duggirala, Prasad Y Murcia, Michael J..
Recorded: 2012-06-26
Pages: 5
Assignors
DUGGIRALA, PRASAD Y
Executed: 2011-05-11
MURCIA, MICHAEL J
Executed: 2011-05-11
JACOBSON, TOMMY
Executed: 2012-06-15
Assignee
NALCO COMPANY
1601 W DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Method and Arrangement for Feeding Chemicals into a Pulp Process Stream
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 29, 2009
From: DUGGIRALA, PRASAD Y; MURCIA, MICHAEL J
To: NALCO COMPANY
Reel/Frame 022755/0164 →
Change of Name
Jun 15, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042821/0068 →
Assignment of Assignor's Interest
Jun 28, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042850/0866 →