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US 12,569,821 B2Granted
Microcapsules coated with a polysuccinimide derivative
AssigneeFirmenich SA
InventorDamien Berthier
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Abstract
The present invention relates to the field of delivery systems. More specifically, the invention concerns microcapsules coated with a polysuccinimide derivative and can be used in several industries, in particular in the perfumery industry. Perfuming compositions and perfumed consumer products comprising these microcapsules are also objects of the invention.
Claims10
A core-shell microcapsule slurry comprising at least one microcapsule having
- a) an oil-based core comprising a hydrophobic material;
- b) a polymeric shell;
- and
- c) a coating comprising a polysuccinimide derivative, wherein the polysuccinimide derivative is obtained by grafting at least two amines to at least one succinimide repeating unit, wherein the two amines are N,N-Dimethyltrimethylenediamine (DMAPA) and N,N-Bis(3-aminopropyl)methylamine (DAMDPA).
1 more element
Dependencies are inferred from the claim text.