Capsules
US4892766A · kind A · utility
11Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Sep 8, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31772
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hard gelatin capsules are made from gelatin containing up to 10% of a preferably hydrophilic fibrous material. They do not split after storage when filled with hygroscopic or deliquescent materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.