Solid pharmaceutical sustained-release form
US5270055A · kind A · utility
45Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 1989 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Oct 24, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5073
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A solid pharmaceutical sustained-release form, consisting of a core containing the active compound as well as conventional pharmaceutical auxiliaries, a coat which delays the release of the active compound and an antiadhesive outer layer, wherein the coat consists of a physiologically acceptable fat-like or wax-like hydrophobic layer which melts in the range from 30.degree. to 120.degree. C. and contains, in addition to conventional pharmaceutical auxiliaries, one or more water-insoluble polymers, and a process for its preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.