11.04.22
US Patent No. 11,485,933 B2 (Deepak Ahirwal, Paulus Antonius Augustinus Hoefte, Cindy Jean, Houdeng-Aimeries (Cedric Joseph Volont); The Procter & Gamble Company has been awarded a patent related to a fine mist hard surface cleaner. The patent covers distribution of spray droplets of a hard surface cleaning composition that is comprised of a surfactant system, water and perfume; it does not contain bleach. The spray droplets have a Dv90 less than or equal to 325 microns, a Dv10 greater than or equal to 50 microns, and a Dv4,3 in a range between 150 microns and 200 microns. The spray droplets have a particle size distribution such that the volume percent of particles in the range of from 10 microns to 100 microns is at most 25%. The corresponding Dv90 and Dv10 are such that a ratio of Dv90 to Dv10 is less than or equal to 7.0, and corresponding Dv10 and Dv4,3 are such that the ratio of Dv4,3 to Dv10 is less than or equal to 3.5.