Powder coated hydrogel capsules
US5093130A · kind A · utility
69Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1989 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Sep 26, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K36/899
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods and materials are provided for coating hydrogel capsules containing botanic tissue with an inert substance that decrease capsule surface adhesiveness and facilitates singulation and flowability of the hydrogel capsules. The coating may be composed of at least one hydrophobic powder capable of forming a discontinuous film about the capsule surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.