PL 201558, 2009
'Method for the production of bioresosoluble aliphatic polycarbonates, especially poly(trimethylene carbonate) and poly(dimethyltriethylene carbonate) and copolymers of carbonates with lactide and/or glycolide and/or lactones' Applicant: Centre for Polymer and Carbon Materials of the Polish Academy of Sciences Authors: P. Dobrzyński, M. Bero, M. Pastusiak Date