Medicinal preparation containing 5-methyl-1-phenyl-2-(1h)-pyridone as active ingredient
US7867516B2 · kind B2 · utility
8Cited by
7References
1Claims
0Family size
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Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Dec 11, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/64
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A tablet characterized by comprising 5-methyl-1-phenyl-2-(1H)-pyridone as the main ingredient and, based on the main ingredient, 10 to 50 wt. % excipient, 5 to 40 wt. % disintegrator, 1 to 10 wt. % binder, 0.5 to 5 wt. % lubricant, 2 to 6 wt. % coating basis, and 0.05 to 3 wt. % light-shielding agent, wherein the odor or bitterness of the 5-methyl-1-phenyl-2-(1H)-pyridone is masked and the light stability is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.