Perfume whose fragrance can be changed
US7329636B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2000 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Feb 21, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q13/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a perfume which comprises at least two fragrance that can be selected by the user. According to the invention, the perfume contains two clear layers which are distinctly separated from one another with one layer being an aqueous, aqueous-alcoholic or isostearate derivative phase and the other layer being an oil phase. If the oil phase contains a silicone oil, the second layer is formed by a isostearate derivate. The aqueous phase contains at least one water-soluble fragrance and the oil phase contains at least one other oil-soluble fragrances. A mixed fragrance is created by shaking so that at least three different fragrances an be drawn from a perfume container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.