IP Library › Assignment 022755/0164
Patent Assignment
Reel/Frame 022755/0164

Assignment of Assignor's Interest

Recorded: 2009-05-29 Pages: 3
Assignors
DUGGIRALA, PRASAD Y
Executed: 2009-05-27
MURCIA, MICHAEL J
Executed: 2009-05-27
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property (1)
Method and Arrangement for Feeding Chemicals into a Pulp Process Stream
Patent: 8,440,052 →
Application: 12/474,990 →
Publication: US 2010/0300632
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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.. Jun 26, 2012
From: DUGGIRALA, PRASAD Y; MURCIA, MICHAEL J; JACOBSON, TOMMY
To: NALCO COMPANY
Reel/Frame 028448/0158 →
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 →