A method of making an aliphatic polyester prepolymer, comprising: reacting, alone or in combination with other reactants, a diol with at least a first diacid (or a diester of the first diacid) to produce an aliphatic polyester prepolymer. The first diacid is preferably a trans-beta-hydromuconic acid...http://www.google.com/patents/US8013061?utm_source=gb-gplus-sharePatent US8013061 - Polyester based degradable materials and implantable biomedical articles formed therefrom
