Method for preparing calibrated biodegradable microspheres

Producing monodisperse biodegradable microspheres (I), comprising preparing an emulsion comprising at least one polymer phase containing an active agent (A) and at least one aqueous phase, the ratio of viscosities of the organic and aqueous phases being 0.1-10, subjecting the emulsion to controlled...

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Bibliographic Details
Main Authors BIBETTE JEROME, BAZILE DIDIER, ROYERE AUDREY
Format Patent
LanguageChinese
English
Published 06.02.2013
Subjects
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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Summary:Producing monodisperse biodegradable microspheres (I), comprising preparing an emulsion comprising at least one polymer phase containing an active agent (A) and at least one aqueous phase, the ratio of viscosities of the organic and aqueous phases being 0.1-10, subjecting the emulsion to controlled laminar shear, removing the solvent from the polymer phase, and recovering the obtained microspheres, is new.
Bibliography:Application Number: CN200580006608