Air freshener composition and device
US4983578A · kind A · utility
5Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Apr 18, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel air freshener composition and a combination product which uses same in an a device which has an emanator are described. The composition employs a combination of reagents which inhibit its evaporation so that the useful life of the air freshener is significantly lengthened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.