A method of preparing an excipient composition includes forming an aqueous slurry containing a mixture of microcrystalline cellulose in the form of a wet cake and a surfactant, said surfactant being present in an amount from about 0.1% to about 0.5% by weight of the wet-cake microcrystalline cellulose;...http://www.google.com.au/patents/US6936277?utm_source=gb-gplus-sharePatent US6936277 - Pharmaceutical excipient having improved compressibility
