02.16.23
US Patent No. 11,576,849 B2 (Graham Andrew Turner, Christopher Francis Smith); Conopco, Inc. (dba Unilever), Englewood Cliffs, NJ, has patented an antimicrobial personal cleansing composition. It is comprised of an aqueous continuous phase including one or more anionic cleansing surfactants; a dispersed phase including dispersed particles of zinc pyrithione (ZPT); a structuring polymer for the aqueous continuous phase which is selected from crosslinked alkali-swellable acrylic emulsion (ASE) polymers; and niacinamide. The structuring polymer is selected from crosslinked copolymers of (meth)acrylic acid with one or more C1 to C5 alkyl esters of (meth)acrylic acid.