Patent · US Active

High strength seamless alginate capsules

US9895672B2 · kind B2 · utility

0Cited by
12References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2010
Grant dateFeb 20, 2018
Priority date
Expiry dateMay 18, 2032

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J13/206
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention is directed to a seamless alginate capsule having a film encapsulating a fill material, in which the film comprises alginate, noncrystallizing plasticizer, and glycerol and in which a ratio by weight of noncrystallizing plasticizer to glycerol in the film is between about 1:1 and about 8:1. The invention is also directed to a method of making the seamless alginate capsules and to capsules made by the method. The capsules have excellent breaking strength and are resistant to oxidation of the fill material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.