ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,465, issued on June 17, was assigned to Kimberly-Clark Worldwide Inc. (Neenah, Wis.).
"Foam-formed fibrous sheets with crimped staple fibers" was invented by Jian Qin (Appleton, Wis.), Deborah J. Calewarts (Winneconne, Wis.), Charles W. Colman (Marietta, Ga.), Donald E. Waldroup (Roswell, Ga.), Cathleen M. Uttecht (Menasha, Wis.) and Peter Wallace (Penzance, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a high-bulk, foam-formed substrate includes producing an aqueous-based foam including at least 1% by weight crimped synthetic fibers and at least 1% by weight binder fibers; forming a wet sheet from the aqueous-b...