Gel air freshener
US6790436B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2001 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Dec 31, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/048
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Described is a substantially rigid aqueous clear gel matrix air freshener article having included therein one or more gel matrix icons, the dimensions of which, on use of the article, decrease in proportion to the dimensions of the body of the air freshener article in which the icons are suspended and imbedded. The article contains water; gel matrix material which can be a hydrolyzed protein gel material such as gelatin or a polysaccharide gel material such as gellan gum; a system-compatible air freshener fragrance composition contained in one or more of the icons and/or contained in the gel matrix air freshener body; and a surfactant contained in the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.