METHOD FOR PREPARING POLYMER MICROPARTICLES BY SPRAY PROCESS

The present invention relates to a method for preparing polymer microparticles by a spray process, wherein a polymer solution obtained by dissolving a polyester-based polymer in ethylene carbonate (hereinafter, referred to as "EC"), which is a solvent, is sprayed at a low temperature hydro...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KIM GUN POONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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