Controlled release formulation of captopril or a prodrug of captopril
US5728402A · kind A · utility
5Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1994 |
| Grant date | Mar 17, 1998 |
| Priority date | — |
| Expiry date | Nov 16, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/401
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a controlled release pharmaceutical unit dose composition for oral administration which comprises: (a) an internal phase which comprises captopril or a prodrug of captopril in admixture with a hydrogel forming agent; and (b) an external phase which comprises a coating which resists dissolution in the stomach.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.