Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tienteh Chen0
Yubai Bi0
Date of Patent
May 24, 2011
Patent Application Number
12203889
Date Filed
September 3, 2008
Patent Primary Examiner
Patent abstract
The present invention is drawn to a method of treating silica in an aqueous environment. The method can comprise steps of dispersing silica particulates in an aqueous environment to form an aqueous dispersion; reversing the net charge of a surface of the silica particulates from negative to positive using a surface activating agent, thereby forming surface-activated silica particulates dispersed in the water; and contacting the surface-activated silica particulates with organosilane reagents to form reagent-modified and surface-activated silica particulates.
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