| http://www.w3.org/ns/prov#value | - acetate dimethylaminoacetate, cellulose acetate chloracetate, cellulose dipalmitate, cellulose dioctanoate, cellulose dicaprylate, cellulose dipentanlate, cellulose acetate valerate, cellulose acetate p-toluenesulfonate, cellulose acetate butyrate, and other semi-permeable polymers such as those described in U.S. Pat. No. 4,285,987 (hereby incorporated by reference), selectively permeable polymers
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