Patent ID: 8822030

Claim:
Nanoplatelets having an average platelet diameter of from about 30 nm to about 3500 nm and an average thickness of from about 1 nm to about 400 nm, wherein the nanoplatelet is a hydroxide of a metal selected from the group consisting of beryllium, scandium, chromium, gallium, yttrium, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, cadmium, indium, tin, lutetium, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, thallium, lead, bismuth, radium, and mixtures thereof, the nanoplatelets having an average aspect ratio of from about 15 to about 70, an average platelet diameter of from about 40 nm to about 120 nm, and an average thickness of from about 1 nm to about 4 nm.