US Patent Issued to Universite de Liege on Dec. 23 for "Self-blowing isocyanate-free polyurethane foams" (Belgian Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,552, issued on Dec. 23, was assigned to Universite de Liege (Liege, Belgium).

"Self-blowing isocyanate-free polyurethane foams" was invented by Christophe Detrembleur (Liege, Belgium), Jean-Michel Thomassin (Liege, Belgium), Bruno Grignard (Liege, Belgium), Florent Monie (Liege, Belgium) and Christine Jerome (Liege, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a curable isocyanate-free formulation for preparing a polyurethane self-blowing foam comprising at least one multifunctional cyclic carbonate having at least two cyclic carbonate groups at the end of the chain (compound A), at least one multifunctiona...