US Patent Issued to BASF on Dec. 23 for "Selective depolymerisation of polyamide 6 to produce caprolactam from mixtures of caprolactam-containing polymers and polyurethane-containing polymers, in particular polyurethane block copolymers" (German Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,565, issued on Dec. 23, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Selective depolymerisation of polyamide 6 to produce caprolactam from mixtures of caprolactam-containing polymers and polyurethane-containing polymers, in particular polyurethane block copolymers" was invented by Caroline Beyer (Ludwigshafen am Rhein, Germany) and Florian Richter (Ludwigshafen am Rhein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for obtaining caprolactam from mixtures of caprolactam-containing polymers and polyurethane-containing polymers, in particular polyurethane block copolymers, by depolymerization, wherein the depolymerizat...