Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 16, 2010
Patent Application Number
11574643
Date Filed
September 4, 2005
Patent Primary Examiner
Patent abstract
The invention provides a process for improving the antifouling properties and for increasing the selectivity of commercial composite polyamide nanofiltration (NF) and reverse osmosis (RO) membranes comprising circulating a low concentration of water soluble monomers and an initiating redox couple in an aqueous solvent, without transverse pressure over the surface of the membrane thereby effecting a free-radical graft polymerization on the surface of the membrane.
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