ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,831, issued on Oct. 14, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Silicone-free foam stabilizers for producing polyurethane foams" was invented by Zeljko Tomovic (Lemfoerde, Germany), Sabrina Kronig (Lemfoerde, Germany), Klaus Moeller (Ludwigshafen, Germany), Christian Hagen (Lemfoerde, Germany) and Markus Susoff (Kassel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a process for producing a polyurethane foam including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) silicone-free stabilizer, (d) optionally chain extending and/or crosslinking agents, (e) catalyst...