Seamless alginate capsules
US8980312B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Aug 18, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/206
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a dried seamless capsule comprising an alginate shell membrane encapsulating fill material, wherein: (i) the alginate shell membrane comprises a polyvalent metal ion alginate having: (a) an average M content of from 50%-62% by weight based on the weight of the M and G content, and (b) a viscosity of 35 to 80 cps; (ii) the alginate shell membrane encapsulates an oil present in an amount of at least 50% by weight of the fill material; (iii) the dried seamless capsule has a disintegration time of less than 12 minutes in an intestinal buffer after pretreatment for 20 minutes; and (iv) the dried seamless capsule has a dry break force strength of at least 7 kg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.