IP Library › Assignment 028294/0432
Patent Assignment
Reel/Frame 028294/0432

Assignment of Assignor's Interest

Recorded: 2012-05-31 Pages: 3
Assignors
ZHAO, YULIN
Executed: 2012-05-18
LI, JUN
Executed: 2012-05-18
RAO, QING LONG
Executed: 2012-05-18
CHENG, WEIGUO
Executed: 2012-05-18
Assignee
NALCO COMPANY
1601 W DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Method to Increase Dewatering, Sheet Wet Web Strength and Wet Strength in Papermaking
Patent: 8,709,208 →
Application: 13/480,998 →
Publication: US 2013/0306261
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 20, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 042917/0074 →
Assignment of Assignor's Interest Jul 28, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 043133/0957 →