US Patent Issued to Fraunhofer-Gesellschaft zur forderung der angewandten Forschung on Sept. 30 for "Use of an additive composition for the controlled accelerated decomposition of condensation polymers" (German Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,556, issued on Sept. 30, was assigned to Fraunhofer-Gesellschaft zur forderung der angewandten Forschung e.V. (Munich).

"Use of an additive composition for the controlled accelerated decomposition of condensation polymers" was invented by Matthias Polidar (Darmstadt, Germany), Elke Metzsch-Zilligen (Darmstadt, Germany) and Rudolf Pfaendner (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is the use of a mixture consisting of at least one aliphatic or cycloaliphatic polyol, in particular one adlitol or cyclitol, and at least one organic phosphorus compound under protic conditions as an additive that catalyzes the hydrolys...