04.05.24
US Patent No. 11,944,696 B2 (Mark Robert Sivik, Gregory Charles Gordon, Frank William Denome, Alyssandrea Hope Hamad-Ebrahimpour, Stephen Joseph Hodson, Brian Patrick Croll, John Gerhard Michael, Andreas Josef Dreher, Paul Dennis Trokhan); The Procter & Gamble Company patented a water-soluble detergent product comprising a plurality of inter-entangled filaments. The filaments comprise an anionic surfactant that releases from the water-soluble detergent product upon adding the product to water. It further comprises one or more water-soluble filament-forming materials comprising a polyvinyl alcohol.
The detergent exhibits a basis weight of less than 500 g/m2 as measured according to the Basis Weight Test Method.
The detergent exhibits a basis weight of less than 500 g/m2 as measured according to the Basis Weight Test Method.