Instant water dissolvable encapsulate and process
US6541030B2 · kind B2 · utility
25Cited by
45References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Sep 26, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A microcapsule capable of thoroughly encapsulating environmentally-sensitive or volatile core materials and capable of releasing said core material on contact with water. A process for manufacture of water soluble microcapsules comprising the admixture of a water soluble cellulosic material, a water soluble glucopyranosidyl material, at least two surfactants and core material, subjecting said mixture to an abrupt pressure change and drying the pressure-treated mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.