ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,530, issued on May 27, was assigned to ECOCHEM INTERNATIONAL NV (Olen, Belgium).
"Fire retarding composition for use in wood composite panels" was invented by Helmut Wiehn (Heuchelheim-Klingen, Germany), Barbora Deppe (Offenburg, Germany), Herman Meynaerts (Rillaar, Belgium) and Pieter Daeseleire (Reet, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "The current invention concerns a fire retardant composition for use in wood composite panels, either comprising a fire retardant agent or an intumescent formulation, whereby the pH of a 10% aqueous solution of said composition lies between 3.5 and 8.5. The present invention also provides for a sp...