ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,042, issued on Nov. 4, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Caprolactam-modified liquid mdi and its use in polyurethanes" was invented by Stefan Bokern (Lemfoerde, Germany), Dong Liang (Shanghai), Martin Hufnagel (Lemfoerde, Germany) and Xiao Yu Sun (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a liquid, storage stable isocyanate composition (Q) comprising monomeric diphenyl methane diisocyanate (MDI) as component (q1) and an amide with a molecular weight of less than 200 g/mol as component (q2) in an amount of 0.1 to 5 wt.-% based on the sum of the weight of components (q1) and (q...