Oral pharmaceutical preparation containing erythromycin base
US5897877A · kind A · utility
9Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1995 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Jun 28, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5042
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Basic pellets containing erythromycin base, to which a small amount of a slightly acid salt, such as potassium dihydrogen phosphate and possibly an additive is added for improved release of the active substance in the intestinal tract, are provided with a coating that contains a polymer resistant to gastric juice, such as poly(methacrylic acid, -ethylacrylate), a separating agent, such as talc, and a softening agent, such as diethyl phthalate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.