| http://www.w3.org/ns/prov#value | - -)-3-hydroxybutyric acid with a polyether being excluded, process for the preparation of a polymer by melting the above mixture and a polymer...http://www.google.es/patents/US5231148?utm_source=gb-gplus-sharePatente US5231148 - Mixture of predominantly one polyhydroxyalkanoate and a compound which contains at least two reactive groups, such as acid and/or alcohol groups, and a polymer prepared by
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