Dispensing fragrances
US4454987A · kind A · utility
23Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1982 |
| Grant date | Jun 19, 1984 |
| Priority date | — |
| Expiry date | Jul 29, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a method and apparatus for dispensing fragrances of odorant, alcohols over prolonged periods of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.