| abstract |
The invention relates to microcapsules containing at least one active principle, characterized in that they consist of: . a liquid, hydrophilic and essentially non-aqueous internal core, formed of a solution of at least one amphiphilic active principle and water-soluble in at least one non-aqueous hydrophilic solvent, . and by a wall, coating said internal core and based on at least one polymer or copolymer, and also one of their methods for preparing said microcapsules.n n n Application to instant release systems of active ingredients: e. g. hygienic articles, surgical materials and gloves, ... |