US Patent Issued to Energy Solutions (US) on June 3 for "Flame retardant compositions with low formaldehyde content" (British Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,062, issued on June 3, was assigned to Energy Solutions (US) LLC (Princeton, N.J.).

"Flame retardant compositions with low formaldehyde content" was invented by Geoffrey Hand (West Midlands, Great Britain), John Davis (Worcestershire, Great Britain) and Gary Woodward (Cheshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The instant invention relates to a composition useful as a precursor for imparting flame-retardant properties to textile articles, comprising a condensate of: (a) a tetrakis (hydroxyorgano) phosphonium sulfate THPS; (b) urea, or alternatively thiourea; (c) optionally, and preferably, an aliphatic hydroxyl-reactive co...