Swellable pellets
US4882169A · kind A · utility
34Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 2, 1988 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Feb 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5073
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pellets which can be used in liquid oral formulations of drugs are presented. They comprise (a) a core, containing microparticles of at least one pharmaceutically active substance, (b) optionally one or more coating layer(s) and (c) a swellable outer layer. They are manufactured by methods known per se.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.