Transfer of encapsulated fragrance to fabrics in dryer cycle by means of wool ball
US12365854B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 12, 2024 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Apr 12, 2044 |
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.