ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,529, issued on July 29, was assigned to BASF SE (Ludwigshafen Am Rhein, Germany).
"Process for purifying an aliphatic-aromatic polyester" was invented by Timo Benjamin Witt (Ludwigshafen am Rhein, Germany), Norbert Effen (Ludwigshafen am Rhein, Germany), Jerome Lohmann (Ludwigshafen am Rhein, Germany), Motonori Yamamoto (Ludwigshafen am Rhein, Germany) and Andreas Kuenkel (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a continuous process for purifying an aliphatic-aromatic polyester constructed from aliphatic dicarboxylic acids, aromatic dicarboxylic acids and aliphatic diols in a deg...