ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,780, issued on April 21, was assigned to Henkel AG & Co. KGaA (Dusseldorf, Germany).
"Soluble laundry detergent sheets with acrylamide polymers" was invented by Frank Janssen (Cologne, Germany), David Matulla (Hilden, Germany), Dorothea Kapitza (Duesseldorf, Germany), Susanne Schneider (Duesseldorf, Germany), Birgit Scheffers (Duesseldorf, Germany) and Beate Seebauer (Langenfeld, 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 acrylamide polymer, (b) at least one surfactant, (c) at least one water-...