Fragrance compositions
US7166567B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2001 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Aug 31, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition comprising a fragrance material consisting of an outer matrix containing components of the fragrance material and disposed within the outer matrix, discrete core particles containing the remaining components of the fragrance material. Components of the fragrance material within the core particles are preferably selected from highly volatile and/or water soluble materials, whereas components of the fragrance material within the outer matrix are preferably selected from relatively low volatile and/or low water soluble materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.