Perfume compositions
US7781392B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | May 1, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A malodor reducing perfume composition comprising materials a having fruity note and a two groups of an amber note material where the amount of amber and fruity materials together is at least 3% by weight where the total weight percentage of group A amber materials and group B amber materials, WA, is equal to or greater than 0.5% or the total amount of amber and fruity materials together is at least 3+22*(0.5−WA) % by weight where WA is less than 0.5%; wherein amber note materials have an odour threshold lower than that of 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8octahydronaphthalen-2-yl)ethanone and group B comprises materials with an amber note having an odour threshold equal to or higher than that of 1-(2,3,8,8-tetramethyl1,2,3,4,5,6,7,8-octahydronaphthalen-2-yl)ethanone; the weight ratio of amber note material having to fruity note material in the composition is in the range about 1:30 to 30:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.