| http://www.w3.org/ns/prov#value | - , aliphatic diacid, an aliphatic diol, polylactic acid, polyhydroxybutyrate, polyhydroxybutyrate-hydroxyvalerate copolymers, aliphatic polyesters and thermoplastic starchUS7241832Mar 1, 2002Jul 10, 2007bio-tec Biologische Naturverpackungen GmbH & Co., KGBiodegradable polymer blends for use in making films, sheets and other articles of manufactureUS7276201Mar 18, 2004Oct 2, 2007The Procter & Gamble
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