Hydrogel preparation and process of manufacture thereof
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United States of America Patent
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app pub date -
Jul 1, 2005
filing date -
Dec 18, 2002
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Abstract
A separation medium comprising a hydrogel preparation having macropores and micropores, wherein the hydrogel preparation is prepared by reacting a first gel component and a second gel component in an aqueous solvent. The first gel component comprises a first monomer, oligomer, polymer, or combination thereof having at least one polymerizable double bond, and a first crosslinker having at least two polymerizable double bonds. The second gel component comprises a second monomer, oligomer, polymer, or combination thereof having at least one pendant functional group per repeat unit, and a second crosslinker having at least two functional groups, each capable of reacting with the at least one pendant functional group of the second monomer, oligomer, polymer, or combination thereof.
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