IP Library › Assignment 025892/0884
Patent Assignment
Reel/Frame 025892/0884

Assignment of Assignor's Interest

Recorded: 2011-03-03 Pages: 3
Assignor
TONG, DAVID YOUDONG
Executed: 2011-02-15
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Multi-Component Polymerization Inhibitors for Ethylenically Unsaturated Monomers
Patent: 8,691,994 →
Application: 13/020,487 →
Publication: US 2012/0203020
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 042821/0087 →
Assignment of Assignor's Interest Jul 11, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042976/0053 →