Functional fragrance precursor
US8906843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2013 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Sep 23, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a class of fragrance precursor compounds 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*)(OR**) 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 H or X; X—O representing a moiety derived from X—OH, and wherein X—OH is a compound selected from the group consisting of surfactants, fabric softeners, softener precursor ester amines, softener precursor amido amines, hair conditioners, skin conditions, saccharides and polymers. In a second aspect it relates to a method of preparing such precursors. Further the invention relates to compositions, comprising the precursor of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.