Seamless capsule comprising a lower fatty ester of sucrose
US5362564A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Nov 8, 1994 |
| Priority date | — |
| Expiry date | Mar 6, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2985
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A seamless capsule comprising a content and a film for coating said content is disclosed. The content is an hydrophilic substance. A lower fatty acid ester of sucrose is present between the content and the film. There is also disclosed a process for producing a seamless capsule which comprises simultaneously extruding a hydrophilic substance solution, a lower fatty acid ester of sucrose and a film solution for the seamless capsule into a cooling solution from concentrically arranged nozzles, a first nozzle, a second nozzle and a third nozzle, respectively, the diameter of said nozzle gradually increasing in that order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.