A novel polymer composition is provided which includes a base material including a biodegradable polymer or copolymer, and a copolymer additive including one or more monomers imparting a tensile strength to the polymer composition at room temperature that is lower than a tensile strength at room temperature...http://www.google.co.uk/patents/US6607548?utm_source=gb-gplus-sharePatent US6607548 - Resorbable polymer compositions
