| 摘要 |
A particle containing a liquid-soluble active substance for release outside a human or animal body, said particle comprising a core with a coating thereon, said coating comprising a liquid soluble active substance is characterized in that the core has an appearance differing from the appearance of the coating, and that the appearance of the core is initially concealed by the coating and appears after dissolution of the liquid-soluble active substance, thus indicating that the active substance in said coating has been dissolved. The invention has its foremost application on granules, tablets and similar drug releasing units which make part of a parenteral liquid administration device. |
