3-D biodegradable porous, polymer (natural or synthetic) scaffolds with well-controlled, interconnected pores, and method for forming the porous materials. Hydrophilic and/or hydrophobic porogen materials were fabricated into 3-D negative replicas of the desired macroporous architectures. Biodegradable...http://www.google.es/patents/US6673285?utm_source=gb-gplus-sharePatente US6673285 - Reverse fabrication of porous materials
