Patent ID: 7731110

Claim:
A method of providing a precipitated silica particulate composition, said method comprising the sequential steps of: a) providing a plurality of precipitated silica particles that have not previously been dried prior to commencement of step “b”; b) subjecting said plurality of particles to a comminuting step in a wet environment; c) subjecting said wet-comminuted particles of step “b” to a particle size classification step wherein particles exhibiting a median particle size range of from about 0.1 to about 15 microns and a particle size span of less than or equal to 2 are collected; d) subjecting said collected classified particles from step “c” to a dewatering step wherein said dewatered particles exhibit a moisture content of at most 60 wt %; and, optionally e) subjecting said dewatered abrasive particles to a deagglomeration step.