Pyran derivatives, their preparation and use thereof in perfumery
US9593092B2 · kind B2 · utility
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5References
4Claims
0Family size
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Key dates
| Filing date | Apr 21, 2009 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | May 27, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process of preparing a compound of formula (I) wherein R represents a linear or branched C5 alkyl group, as well as the use of such compounds in a fragrant and/or flavoring composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.