US Patent Issued to BASF on Sept. 22 for "Method for the production of stable polyoxymethylene copolymers (cPOM)" (German, South Korean Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,033, issued on Sept. 22, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Method for the production of stable polyoxymethylene copolymers (cPOM)" was invented by Thomas Heitz (Ludwigshafen am Rhein, Germany), Juergen Demeter (Ludwigshafen am Rhein, Germany), Anna Karina Moeller (Ludwigshafen am Rhein, Germany) and Cho In-Gi (Gimheon City, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer (cPOM) by adding triisopropanolamine (tris(2-hydroxypropyl)amine) to a mixture which comprises the po...