Fragrant medium dispensing system
US9181516B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Apr 2, 2009 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Jun 20, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/042
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fragrant medium dispensing system, which contains a polymer-containing, perfumed shaped article that is supplied in a withdrawal receptacle. The fragrant medium dispensing system enables fragrances to be individually dosed. The fragrant medium dispensing system can be used in the context of methods for perfuming or reinforcing the fragrance of an aqueous system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.