ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,423, issued on March 17, was assigned to XTPL S.A. (Wroclaw, Poland).

"Metallic nanoparticle composition and method of dispensing metallic nanoparticle composition" was invented by Mateusz Lysien (Zywiec, Poland), Ludovic Schneider (Wroclaw, Poland), Lukasz Witczak (Lodz, Poland), Karolina Fiaczyk (Wroclaw, Poland) and Filip Granek (Mrozow, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A metallic nanoparticle composition includes metallic nanoparticles and a non-aqueous polar protic solvent. The non-aqueous polar protic solvent has two hydroxyl groups, a boiling point of at least 280deg C. at 760 mm Hg, and a viscosity in a range of 45 cP t...