KVITNITKSY, EMMA,SHAPIRO, YURY,PRIVALOV, OLGA,OLEINIK, IRENA,POLISHER, IGOR
申请号：
CA2620026
公开号：
CA2620026C
申请日:
2006.08.22
申请国别(地区):
CA
年份:
2013
代理人:
摘要：
The present invention provides methods for microencapsulation of activeingredients for topical application, whereby single-layer and multi-layer,preferably double-layer, microcapsules, are obtained. The microcapsulesprotect the active ingredients, maintain their original activity throughtprocessing, formulation and storage, and enable controlled release of theactive ingredient only upon application onto the skin. The microcapsulesconsist of a cone made of an encapsulated active ingredient and one or moreshells of the same of different wall-forming polymer. The microencapsulationmethods of the present invention are based on the solvent removal method.
