Transfer of encapsulated fragrance to fabrics in dryer cycle by means of wool ball
US11981881B2 · kind B2 · utility
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4References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 15, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Apr 15, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/047
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An absorbent substrate such as a wool dryer ball is imbued with a fragrance or treatment composition. The fragrance or treatment composition comprises an aqueous carrier, free fragrance, and encapsulated fragrance. The composition includes about 0.1 wt. % to about 5 wt. % free fragrance and about 0.1 wt. % to about 10 wt. % encapsulated fragrance. A kit includes absorbent balls, the fragrance or treatment composition, and an applicator for applying the fragrance or treatment composition onto or within the absorbent balls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.