Patent Assignment
Reel/Frame 027075/0897
Assignment of Assignor's Interest
Recorded: 2011-10-18
Pages: 4
Assignors
ZHAO, YULIN
Executed: 2011-04-14
LI, JUN
Executed: 2011-04-14
RAO, QING LONG
Executed: 2011-04-14
CHENG, WEIGUO
Executed: 2011-04-20
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Method of Improving Dewatering Efficiency, Increasing Sheet Wet Web Strength, Increasing Sheet Wet Strength and Enhancing Filler Retention in Papermaking
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.