A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/166, 117/46.
A61K 9/16 (2006.01) A61K 9/00 (2006.01) A61K 41/00 (2006.01) A61K 47/30 (2006.01) A61K 49/22 (2006.01)
Patent
CA 2171303
The invention relates to new microparticles containing active ingredients, which contain at least one gas or a gaseous phase in addition to the active ingredient(s), agents containing these particles (microparticulate systems), their use for ultrasound-controlled in vivo release of active ingredients, as well as a process for the production of particles and agents.
De nouvelles microparticules nouvelles contenant des principes actifs renferment outre le(s) principe(s) actif(s) au moins un gaz ou une phase gazeuse. L'invention concerne en outre des agents contenant ces particules (systèmes microparticulaires), leur utilisation pour libérer in vivo des principes actifs sous la commande d'ultrasons, ainsi que des procédés de préparation de ces particules et de ces agents.
Fritzsch Thomas
Hauff Peter
Heldmann Dieter
Stahl Harald
Weitschies Werner
Acusphere Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Schering Aktiengesellschaft
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