US Patent Issued to Curt G. Joa on Feb. 11 for "Expandable absorbent core and method of manufacture" (Wisconsin Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,304, issued on Feb. 11, was assigned to Curt G. Joa Inc. (Sheboygan Falls, Wis.).

"Expandable absorbent core and method of manufacture" was invented by Christopher J. Nelson (Plymouth, Wis.), Scott A. Roehrborn (Sheboygan, Wis.) and Troy L. Bruckschen (Howards Grove, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An expandable absorbent structure comprises an expansion loop core configured to expand in response to absorption of a liquid and an expansion loop material structure surrounding the expansion loop core and having a trough therein, wherein the trough is formed from a first portion of the expansion loop material structure folded over a ...