Givaudan S.a.

S.p.c.m. Sa

Guillaume Jeanson

Ian Michael Harrison

Emmanuel Aussant

Frédéric Blondel

Sandra Guinebretiere

Frederic Blondel

The invention relates to an encapsulated fragrance composition including at least one microcapsule dispersed in a dispersion medium, said at least one microcapsule including a fragrance oil core and a positively charged shell, which includes a reaction product of at least one at least difunctional anionically modified isocyanate with an amine or alcohol, preferably a polyamine, and wherein the shell is formed around droplet of core material that is stabilized with a positively charged colloidal stabilizer. Furthermore, the invention relates to a process of formation of said encapsulated fragrance compositions.

Organic compounds

The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of core-shell microcapsules containing a fragrance,

Use of an ampholyte copolymer as colloidal stabilizer in a process of encapsulating fragrance

An encapsulated perfume composition comprising at least one perfume-containing aminoplast core-shell microcapsule dispersed in an aqueous suspending medium, the microcapsule being characterized in that it bears a positive charge.

Encapsulated perfume compositions

The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of aminoplast core-shell microcapsules containing an active material, wherein the ampholyte copolymer comprises:

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Andrezieux, France

Guillaume Jeanson