IP Library › Assignment 042850/0821
Patent Assignment
Reel/Frame 042850/0821

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 Particle Manufacturing Process
Patent: 8,845,991 →
Application: 12/756,526 →
Publication: US 2011/0251057
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 28, 2010
From: KEISER, BRUCE A.; ERGANG, NICHOLAS S.; MINMA, RICHARD; SHOWALTER, BRETT M.
To: NALCO COMPANY
Reel/Frame 024299/0397 →
Change of Name Jun 15, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042820/0904 →