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doi:10.1257/000282806776157731

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A filter material of the present invention may include at least one fiber incorporating a biodegradable polymer selected from the group consisting of polyhydroxypropionate, polyhydroxyvalaerate, polyhydroxybutyrate, polyhydroxyoctanoate, polylactic acid, polycaprolactone, polybutylene succinate adipate, polyvinyl alcohol, starch, and polyesteramide, or their mixtures, wherein the at least one fiber includes a coating of cellulose acetate