ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,069, issued on May 20, was assigned to ALLNEX BELGIUM S.A. (Drogenbos, Belgium).
"Biobased urethane (meth)acrylate for use in cladding" was invented by Jurgen Van Holen (Ninove, Belgium), Guido Vanmeulder (Lot, Belgium) and Michel Tielemans (Wemmel, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radiation curable and at least partially biobased urethane (meth)acrylate for use in a one-component coating composition for cladding an outdoor surface of a building, obtained from the reaction of at least the following compounds: a. a polyisocyanate compound having a biobased carbon content of at least 20%, preferably at least 50%, as determined ...