Gel air freshner and method of making the same
US6294162A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2000 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Apr 21, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/048
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A transparent gel air freshener and method of preparing the same. The gel composition comprises an aqueous gel, a fragrance, a surfactant and a co-solvent. The gel is transparent and free from visible particles and inhomogeneities, has a uniform texture and a continuous structure, and includes volatile scented components. The gel is capable of suspending solids such as botanicals therein for decorative effect. The method provides for preparation of a such a gel air freshener, including the suspension of botanicals therein, while maintaining the clarity, texture, and structure of the gel. The method includes the steps of preparing a gel composition and cooling the gel composition. Botanicals may be added to the gel composition when it has gelled enough to support die botanical on the gel surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.