| http://www.w3.org/ns/prov#value | - Typical polysaccharides and/or salts thereof which are useful for the formation of lubricious polymers comprising combinations of PU/PUR hydrogels and polysaccharide hydrogels include, by way of example, polysaccharides such as alginic acids and their alkali metal salts, said alginic acids consisting of various copolymer segments of D-mannuronic acid and L-glucuronic acid, depending upon their nat
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