Process for preparing a perfume capsule composition
US5324444A · kind A · utility
42Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1993 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Apr 12, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for preparing a free flowing perfume capsule composition with enhanced performance and stability from slurries containing perfume capsules is described. A process comprising removing water from the slurry to form a wet cake, combining silicone dioxide or aluminosilicate to the wet cake to fluidize the wet cake and removing additional water from the fluidized wet cake to form free flowing perfume capsules is preferred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.