US Patent Issued to AGFA on May 19 for "Aqueous polyurethane resin dispersion" (Belgian Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,663, issued on May 19, was assigned to AGFA NV (Mortsel, Belgium).

"Aqueous polyurethane resin dispersion" was invented by Hubertus Van Aert (Mortsel, Belgium) and Marie Lehericey (Mortsel, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous polyurethane resin dispersion, the polyurethane resin is obtainable by reacting an allophanate based isocyanate according to general formula I or II, optionally a polyether diol, a polyol containing a quaternary N-atom or tertiary amino group and a polyol selected from the group consisting of polyester polyol, polyether polyol, polycarbonate polyol, a polyacrylate polyol, a polyolefin and a polyamid...