Functional fragrance precursor
US8592361B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2002 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Sep 4, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A fragrance precursor compound comprising one or more of the compounds derived from the reaction of X—OH and an aldehyde or ketone, the fragrance precursor compounds being of the formula X—O—C(R)(R*)(R**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R** is O—H or O—X; O—X representing a moiety derived from X—OH, and wherein X—OH is a material containing at least one hydroxyl group and having the following structure:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.