ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,989, issued on July 7, was assigned to Glatfelter Falkenhagen GMBH (Pritzwalk, Germany).
"Absorbent cores for disposable absorbent articles" was invented by Henning Roettger (Kaltenkirchen, Germany) and Reno Volkmer (Pritzwalk, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is an absorbent core that may be incorporated into absorbent hygiene articles, such as baby diapers, adult incontinence or feminine hygiene articles. It is particularly suited for articles which are intended to receive more than one liquid gush load, as the absorbent core comprises a fluid distribution layer that comprises sub-layers comprising partic...