A method for providing aerogels, and aerogels produced according to the method, is described. As one aspect, antiperspirant compounds that are in aerogel form, and antiperspirant and deodorant compositions including such salts, are described. The method involves contacting a solution containing material...http://www.google.fr/patents/US5864923?utm_source=gb-gplus-shareBrevet US5864923 - Method of forming particles using a supercritical fluid
Method of forming particles using a supercritical fluid