Use in an electric perfume diffuser of an aqueous perfume composition containing a surfactant and a preservative
US12383650B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jun 30, 2020 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Jun 10, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2209/132
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to the use of a scented aqueous composition, in an electric fragrance diffuser operating with a piezoelectric ceramic, characterised in that said scented aqueous composition comprises 0.1% to 0.3% by weight with respect to the total weight of said composition of a fragrance of an essential oil and/or of raw materials of natural or synthetic fragrance, 0.1 to 1% by weight with respect to the total weight of said composition of a fragrance of a non-ionic surfactant agent, and 0.01 to 0.1% by scented weight with respect to the total weight of said composition of a fragrance of a preserving agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.