IP Library Assignment 042849/0888
Patent Assignment
Reel/Frame 042849/0888

Assignment of Assignor's Interest

Recorded: 2017-06-28 Pages: 3
Assignor
NALCO COMPANY LLC
Executed: 2017-02-27
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
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.
Assignment of Assignor's Interest May 29, 2014
From: KEISER, BRUCE A.; ERGANG, NICHOLAS S.; MIMNA, RICHARD
To: NALCO COMPANY
Reel/Frame 032989/0152 →
Change of Name Jun 15, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042820/0764 →