Patent ID: 7249723

Claim:
Method of providing a flowable organic solvent dispersed nano-talc slurry with a specific surface area of 70 m 2 /g to about 200 m 2 /g comprising: dry milling talc powder for a period of time to provide a dry-milled nano-talc powder with specific surface area of about 40 m 2 /g to about 130 m 2 /g, mixing the dry-milled nano-talc powder with an amount of organic solvent to provide a nano-talc-solvent mix, and wet milling said nano-talc-solvent mix for a period of time, to provide a flowable organic solvent dispersed nano-talc slurry characterized by a specific surface area of about 70 m 2 /g to about 200 m 2 /g.