Patent ID: 8858970

Claim:
An antimicrobial composition comprising a dispersion, said dispersion comprising a dispersed phase within an aqueous phase, said composition comprising: a) a layered hydrous magnesium silicate clay having binding sites in said dispersed phase; and b) a quaternary ammonium compound in said dispersed phase; wherein said antimicrobial composition is made by the method of: i) dry mixing said layered hydrous magnesium silicate clay and said quaternary ammonium compound to produce a mixture; ii) adding water to said mixture to form a suspension; and iii) incubating said suspension in said water to form an antimicrobial composition wherein said quaternary ammonium compound is loaded into said layered hydrous magnesium silicate clay with a percentage loading relative to available layered hydrous magnesium silicate clay binding sites of greater than 200%.