In Massachusetts, Metabolix announced that it has granted a non-exclusive license to NatureWorks LLC for the U.S. patent No. 5,883,199, titled “Polylactic Acid-based Blends,” to make, use and sell blends of polylactic acid (PLA) with certain other polymers including polybutylene succinic polymers (PBS). The University of Massachusetts Lowell is the owner of the ‘199 patent, … Continue reading NatureWorks licenses Metabolix technology for bio-based polylactic acid-based blends