| http://www.w3.org/ns/prov#value | - Patent US7749539 - Polymeric formulations for drug delivery - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsPoly(ester-anhydrides) or polyesters formed from ricinoleic acid and natural fatty diacids and their method of preparation and its use for delivering bioactive agents including small drug molecules, peptides and proteins, DNA and DN
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