ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,147, issued on May 20, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).
"Soluble laundry detergent sheets with soil release polymers" was invented by Frank Janssen (Cologne, Germany), David Matulla (Hilden, Germany), Birgit Scheffers (Duesseldorf, Germany), Beate Seebauer (Langenfeld, Germany), Dorothea Kapitza (Duesseldorf, Germany) and Susanne Schneider (Duesseldorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a water-soluble laundry detergent sheet from a liquid composition including the following components: (a) at least one soil release polymer, (b) at least one surfactant, (c) at least one wate...