ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,636, issued on July 29, was assigned to SALROS S.R.L. (Milan).

"Liquid washing composition with separate components for laundry and kit thereof and washing method for automatic washing machines" was invented by Paola Luzzini (Milan), Ivana Rovelli (Milan) and Elisa Zacchi (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid washing composition with four separate components and laundry washing kit thereof is disclosed. The four components are housed in respective independent tanks of a laundry washing machine equipped with a program for selecting, dosing and differentiated delivering. Component 1 is a detergent formulation with a pH of 4.0-1...