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US 10,883,070 B2Granted
Stable bleaching composition
OwnerDenis Shcherbakov, Christian Starkenmann +3inventors
InventorsDenis Shcherbakov, Christian Starkenmann, Pierre-Etienne Bouquerand, Marco Pacchiani, Valery Normand
Life of this patent
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Abstract
This invention relates to a bleaching composition comprising hypochlorite-based bleach particles and moisture-sensitive particles encapsulating an oil within starch or starch-derivative matrix, the composition being surprisingly stable toward degradation of the starch upon storage.
Claims9
A bleaching composition comprising:
- a water sensitive starch, or starch derivative, based particle comprising an oil encapsulated/dispersed within the particle, and
- a bleach particle comprising a dry mixture of a hypochlorite alkaline earth salt and other mineral particles comprising hydrated and/or non-hydrated calcium oxide, calcium carbonate, and/or calcium hydroxide.
Dependencies are inferred from the claim text.