BIOCOMPATIBLE COMPOSITE CAPSULES

The invention relates to a method of preparing composite capsules by means of interfacial polycondensation in a dispersed medium of at least two different monomers. The invention is characterised in that the aforementioned polycondensation is performed in a gas in the liquid and/or supercritical sta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YVES FRERE, LOUIS DANICHER
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method of preparing composite capsules by means of interfacial polycondensation in a dispersed medium of at least two different monomers. The invention is characterised in that the aforementioned polycondensation is performed in a gas in the liquid and/or supercritical state. The composite capsules thus obtained can be used in the pharmaceutical, veterinary, phytosanitary or cosmetic fields for the delayed, controlled, prolonged and/or controlled release and/or the vectorisation of active principle(s) contained therein.