Novel amino acid-derived polycarbonates and amino acid-derived diphenol compound starting materials from which the polycarbonates are polymerized. Polymer blends of the amino acid-derived polycarbonates with polyiminocarbonates prepared from identical amino acid-derived diphenol starting materials....http://www.google.co.uk/patents/US5099060?utm_source=gb-gplus-sharePatent US5099060 - Synthesis of amino acid-derived bioerodible polymers
