Patent · US Expired

Seamless capsule comprising a lower fatty ester of sucrose

US5362564A · kind A · utility

37Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1992
Grant dateNov 8, 1994
Priority date
Expiry dateMar 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.