Patent AT-E400354-T1: [Translated] MICROPOROUS MEMBRANE SUBSTRATE WITH BASE-STABLE, LOW PROTEIN-BINDING SURFACE

The present invention provides porous media or membranes having a surface coating that includes a first coating of a cross-linked terpolymer and a second coating comprising a copolymer or a terpolymer modified with a hydrophilic or hydrophobic functional group which has a superior combination of properties, including heat stable biomolecule resistant adsorptive properties, resistance to strong alkaline solutions, and low levels of extractable matter.