Microparticles containing active substances, agents containing the same, their use in ultrasound-controlled releasing of active substances as well as the method for their production

摘要

The invention relates to microparticles containing active substances, wherein the active substance has been dissolved, suspended or emulsified in a low boiling fluid phase, the agents containing these particles, their use in ultrasound controlled in vivo releasing of active substances, as well as the method for producing said particles and agents.