IP Library › Assignment 027753/0623
Patent Assignment
Reel/Frame 027753/0623

Assignment of Assignor's Interest

Recorded: 2012-02-23 Pages: 3
Assignors
ZHAO, YULIN
Executed: 2011-12-14
LI, JUN
Executed: 2011-12-14
RAO, QING LONG
Executed: 2011-12-14
CHENG, WEIGUO
Executed: 2011-12-14
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property (1)
Furnish Pretreatment to Improve Paper Strength Aid Performance in Papermaking
Patent: 8,882,964 →
Application: 13/399,253 →
Publication: US 2013/0133847
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 042820/0928 →
Assignment of Assignor's Interest Jun 28, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 042851/0303 →