A method of making a slurry, by mixing a quantity of water with dissolvable constituents of an aqueous slurry used for polishing, with the dissolvable constituents being apportioned according to their desired per cent concentrations thereof in the aqueous slurry, and drying the mixture to obtain a reconstitutable...http://www.google.ca/patents/US6464741?utm_source=gb-gplus-sharePatent US6464741 - CMP polishing slurry dewatering and reconstitution
