| 摘要 |
PROBLEM TO BE SOLVED: To provide new taste-masked powders that are to be inhaled or administered orally, a simple method for the production of the powders, and the use of the powders for applying biologically active substances.SOLUTION: A coated solid of a pulverulent solid having a medium particle diameter dof 1 to 40 μm and comprising a coating having thickness of a hydrophobic coating material of preferably from 1 to 5 μm. The hydrophobic coating material is a wax having a melting point of 30-180°C and selected from the group consisting of: paraffins, saturated hydrocarbons of the form CnH2n+2, synthetic waxes, Fischer-Tropsch waxes, macrogol stearate, chemically modified wax, vinyl polymers, montan ester waxes, and montan wax fatty acids. |
