发明申请
US20130225695A1 METHOD FOR PREPARATION OF AN EXCIPIENT SUITABLE FOR PHARMACEUTICAL USE 有权
制备适用于药物应用的特殊方法

METHOD FOR PREPARATION OF AN EXCIPIENT SUITABLE FOR PHARMACEUTICAL USE
摘要:
The present invention is related to a method for purifying diatomaceous earth wherein the natural colloidal structure of the material is retained, which comprises preparing a suspension of diatomaceous earth in a liquid wherein diatomaceous earth is insoluble, separating diatomaceous earth from the suspension, treating diatomaceous earth with an inorganic or organic acid, heat-treating the thus obtained product at a temperature not higher than 300° C., subjecting the product obtained to oxidative treatment and drying the purified product.The invention also relates to a product obtainable by the above-mentioned method.
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