Granule remaining in stomach
US4844905A · kind A · utility
66Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1987 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Feb 12, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5078
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A granule of drug to remain in the stomach comprises a core comprising a pharmaceutically effective ingredient, a foaming layer coated on said core and an expansive film coated on said layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.