US Patent Issued to Rohm and Haas, DOW SILICONES on Oct. 28 for "Dishwashing formulation with dispersant copolymer" (Belgian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,661, issued on Oct. 28, was assigned to Rohm and Haas Co. (Collegeville, Pa.) and DOW SILICONES Corp. (Midland, Mich.).

"Dishwashing formulation with dispersant copolymer" was invented by Scott Backer (Phoenixville, Pa.), Paul Mercando (Pennsburg, Pa.), Ashutosh Umarvadia (Horsham, Pa.), Severine Cauvin (Mons, Belgium), Michael C. Mitchell (Norristown, Pa.) and Marianne Creamer (Warrington, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic dishwashing composition is provided including a builder; a nonionic surfactant; and a dispersant polymer comprising: (a) less than60 to greater than90 wt %, based on weight of the dispersant polymer,...