IP Library › Assignment 032989/0152
Patent Assignment
Reel/Frame 032989/0152

Assignment of Assignor's Interest

Recorded: 2014-05-29 Pages: 4
Assignors
KEISER, BRUCE A.
Executed: 2010-04-20
ERGANG, NICHOLAS S.
Executed: 2010-04-22
MIMNA, RICHARD
Executed: 2010-04-22
Assignee
NALCO COMPANY
1601 WEST DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Silica Containing Particle
Patent: 8,936,772 →
Application: 12/756,548 →
Publication: US 2011/0250341
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 15, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042820/0764 →
Assignment of Assignor's Interest Jun 28, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042849/0888 →