High strength seamless alginate capsules
US9895672B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | May 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.