Patent ID: 7892447

Claim:
Metal hydroxide nanoplatelets, wherein the nanoplatelets are individual crystallites, wherein the metal hydroxide nanoplatelets have an average aspect ratio of from about 15 to about 70, an average platelet diameter of from about 30 nm to about 3500 nm and an average thickness of from about 2.5 nm to 100 nm, an average BET specific surface area of from about 100 m 2 /g to about 150 m 2 /g, and wherein the metal hydroxide is selected from the group consisting of Mg(OH) 2 , Ca(OH) 2 , Al(OH) 3 , Sr(OH) 2 , Ba(OH) 2 , Fe(OH) 3 , Cu(OH) 2 , Ni(OH) 2 , Zn(OH) 2 , AgOH, and mixtures thereof.