Composition for oral administration containing pyridazinone compounds
US5942249A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jan 28, 1998 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Jan 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for oral administration which contains a pyridazinone compound of the formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each independently a hydrogen atom or a lower alkyl, X is a halogen atom, a cyano or a hydrogen atom, Y is a halogen atom, a trifluoromethyl or a hydrogen atom, and A is a C.sub.1 -C.sub.8 alkylene optionally substituted by hydroxy, or a pharmacologically acceptable salt thereof, and an organic acid. According to the present invention, a composition for oral administration which is stable to heat, light, moisture and the like and which shows improved dissolution and absorption of a pyridazinone compound can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.