Patent Assignment
Reel/Frame 011737/0131
Assignment of Assignor's Interest
Recorded: 2001-04-22
Received: 2001-05-02
Pages: 3
Assignee
NALCO CHEMICAL COMPANY
ONE NALCO CENTER, NAPERVILLE, IL, 60563, UNITED STATES
Covered Property
(1)
Method of increasing retention in papermaking using colloidal borosilicates
Application:
09/839,017 →