Controlled release therapeutic system for a liquid pharmaceutical formulations
US5296236A · kind A · utility
36Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1992 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Aug 10, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/192
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a controlled release pharmaceutical dosage form, including: (a) microgranules of a pharmaceutical and an excipient; (b) a plurality of polymeric lipidic and wax-like coatings applied to the microgranules, the coated microgranules having dimensions which allow suspension of the coated microgranules in a liquid administration vehicle; and (c) a liquid administration vehicle for the coated microgranules, the vehicle including an effective amount of the pharmaceutical in a form immediately available upon ingestion. A process for the preparation of the controlled release therapeutic system is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.