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US 12,168,760 B2Granted
Particulate laundry scent additive comprising a perfume/water-soluble polymer/salt hydrate matrix
AssigneeThe Procter & Gamble Company
InventorJaden Scott Zerhusen
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Abstract
A composition including a plurality of particles, each of the particles including: about 40% to about 90% by weight of the particles water soluble polymer; about 1% to about 40% by weight of the particles of a salt hydrate; and about 0.1% to about 20% by weight of the particles perfume; wherein the perfume is dispersed in a matrix of the water soluble polymer and the salt hydrate. A process for forming particles that includes using an anhydrous salt to manage water.
Claims26
A composition comprising a plurality of particles, each of said particles comprising:
- A) a water-soluble polymer;
- B) from about 1% to about 40% by weight of said particles of a salt hydrate selected from sodium acetate trihydrate, magnesium sulfate heptahydrate, and combinations thereof;
- C) from about 0.5% to about 5% by weight of said particles of an acid selected from citric acid, formic acid, and mixtures thereof;
- and
- D) from about 0.1% to about 20% by weight of said particles of perfume;
- wherein said perfume is dispersed in a matrix of said water soluble polymer and said salt hydrate;
- wherein said particles have at least one substantially flat surface and an opposite curved surface;
- and wherein said particles have a volume from about from about 0.003 cm3 to about 0.5 cm3.
5 more elements
Dependencies are inferred from the claim text.