Novel controlled release formulations of tetracycline compounds
US4837030A · kind A · utility
39Cited by
7References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1987 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Oct 6, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pharmaceutical compositions comprising spherical granules including thereon or therein a 7- or 9-akylamino-6-deoxy-6-demethyltetracycline or an acid-addition salt thereof blended with at least one excipient are adapted to control the rate of drug release in the stomach and in the intenstine in order not to produce nausea or dizziness upon oral administration during antibacterial therapy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.