公开(公告)号：US20190233770A1

公开(公告)日：2019-08-01

申请号：US16329754

申请日：2017-09-19

Applicant: Givaudan SA

Inventor： Emmanuel AUSSANT ,  Ian Michael HARRISON ,  Sandra GUINEBRETIERE ,  Frederic BLONDEL ,  Guillaume JEANSON

IPC: C11D3/50 ,  B01J13/14

Abstract: 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.

公开(公告)号：US20180169603A1

公开(公告)日：2018-06-21

申请号：US15738997

申请日：2016-06-22

Applicant: GIVAUDAN SA

Inventor： Ian Michael Harrison ,  Emmanuel AUSSANT ,  Frederic BLONDEL ,  Guillaume JEANSON

IPC: B01J13/10 ,  B01J13/16 ,  C08G12/38 ,  C08G12/42 ,  C11D3/50 ,  A61K8/11 ,  A61Q13/00

Abstract: 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.