US Patent Issued to Honeywell International on Jan. 28 for "Polyurethane foam premixes containing halogenated olefin blowing agents and foams made from same" (New York Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,168, issued on Jan. 28, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Polyurethane foam premixes containing halogenated olefin blowing agents and foams made from same" was invented by Bin Yu (Tonawanda, N.Y.) and David J. Williams (East Amherst, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are polyol premix compositions, and foams formed therefrom, which comprise a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a catalyst system that includes a bismuth-based metal catalyst. Such catalysts may be used alone or in combination with an amine catalyst and/or other non-amine catalys...