73399664
Oct 7, 1982
May 15, 1984
RHONE-POULENC SPECIALTIES CHIMIQUES
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Precipitated Silica Used in the Pharmacy as a Desiccant and Support for an Active Drug; Precipitated Silica Used in Cosmetology-Namely, as a Thickener to Allow Regulation of the Unctuousness of Toothpastes