Stabilization of prostaglandin drug
US5889051A · kind A · utility
22Cited by
3References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Jul 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/146
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stable solid dispersion of prostaglandin drug, particularly Misoprostol, (.+-.)methyl 7-3(.alpha.)-hydroxy-2-.beta.-(4 (RS)-4-hydroxy-4-methyl-trans-1-octen-1-yl)-oxycyclopent-1.alpha.-yl!hepta noate, comprising ammonio methacrylate copolymers. The ammonio methacrylate copolymers comprise Eudragit RS series, Eudragit RL series, Eudragit S, Eudragit L, and the mixture thereof. The stable solid dispersion is a sustained release type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.