US Patent Issued to Fraunhofer-Gesellschaft zur forderung der angewandten Forschung on Sept. 23 for "Method of stabilizing virgin thermoplastic material and stabilized plastics compositions, moulding compounds and mouldings produced therefrom, stabilizer compositions and uses thereof" (German Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,372, issued on Sept. 23, was assigned to Fraunhofer-Gesellschaft zur forderung der angewandten Forschung e.V. (Munich).

"Method of stabilizing virgin thermoplastic material and stabilized plastics compositions, moulding compounds and mouldings produced therefrom, stabilizer compositions and uses thereof" was invented by Elke Metzsch-Zilligen (Darmstadt, Germany) and Rudolf Pfaendner (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of stabilizing virgin thermoplastic material against oxidative, thermal and/or actinic degradation. In the method of the invention, at least one polyphenol and a...