ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,274, issued on Feb. 24, was assigned to The Procter & Gamble Co. (Cincinnati).
"Absorbent cores having material free areas" was invented by Andrea Andrew Peri (Kronberg, Germany), Aniruddha Chatterjee (Kelkheim, Germany), Peter Dziezok (Hochheim, Germany), Bruno Johannes Ehrnsperger (Bad Soden, Germany), Juliane Kamphus (Schwalbach, Germany) and Marion Lutsche (Schwalbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An absorbent core, for use in an absorbent article, including a core wrap enclosing an absorbent material and including superabsorbent polymer particles. The core wrap includes a top side and a bottom side, and the absorbent c...