abstract |
The present invention relates to a carrier for controlled release of an active drug, comprising a surface-reacted natural or synthetic calcium carbonate, and a core comprising at least one active drug, and a coating encapsulating the core, wherein the at least one active drug is the surface- Wherein the surface-reacted natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids and the carbon dioxide is formed in situ by acid treatment and / To a carrier. In addition, the present invention relates to the preparation of the loaded carrier as well as the use of the carrier in different applications. |