Process for forming solid phase controllably releasable fragrance-containing consumable articles
US6200949A · kind A · utility
145Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1999 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Dec 21, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/505
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described is a process for forming controllably releasable fragrance-containing consumable articles, for example, encapsulated fragrances in detergents or fabric softener articles and compositions. The process includes the steps of: PA1 (a) forming an aqueous fragrance emulsion, including a modified starch; PA1 (b) spray drying or freeze drying the emulsion to form a fragrance-containing powder; and PA1 (c) mixing a solid consumable article base (e.g., detergent or fabric softener base) with the fragrance-containing powder. Also described are products produced by means of such processes as well as uses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.