Method for preparing stiffened capsules
US9604190B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2013 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2987
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a method for preparing capsules comprising a liquid core, a stiffened intermediate envelope and a gelled external envelope, comprising a step of forming a multi-component liquid drop, a gelification step and a stiffening step.The present invention also relates to a method for preparing capsules comprising a liquid core and a stiffened envelope, comprising a step of forming a multi-component liquid drop, a gelification step, a stiffening step and a depolymerizing step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.