ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,175, issued on Oct. 7, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Melamine-formaldehyde foam with improved weather resistance" was invented by Sebastian Alexander Weisse (Ludwigshafen am Rhein, Germany), Werner Lenz (Neustadt, Germany), Bernhard Vath (Ludwigshafen am Rhein, Germany) and Tobias Heinz Steinke (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Melamine-formaldehyde foam with improved weather resistance comprising 0.1 to 8 wt.-% of at least one UV stabilizer, such as benzotriazole derivatives and piperidinol derivatives and further 1 to 3 wt.-% of at least one hydrophobicization agent, such as ...