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US 2022/0175635 A1Published application
Composite microcapsules
AssigneeFirmenich SA
InventorsKitty Van Gruijthuijsen, Gregory Dardelle, Arnaud Struillou, Philipp Erni
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Abstract
Described herein is a composite microcapsule slurry including at least one microcapsule having an oil-based core including a hydrophobic material, preferably a perfume, and a composite shell including a first material and a second material. The first material and the second material are different, the first material is a coacervate, the second material is a polymeric material, and the weight ratio in the slurry between the first material and the second material is between 50:50 and 99.9:0.1.
Claims20
A composite microcapsule slurry comprising at least one microcapsule having:
- an oil-based core comprising a hydrophobic material, and
- a composite shell comprising a first material and a second material, wherein:
- the first material and the second material are different,
- the first material is a coacervate,
- the second material is a polymeric material, and
- the weight ratio in the slurry between the first material and the second material is between 50:50 and 99.9:0.1.
3 more elements
Dependencies are inferred from the claim text.