Crystal form and salt form of pyridone compound and preparation method therefor
US11198686B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 12, 2018 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Oct 12, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A crystal form of a compound 1 and a method for preparing the same, further comprising an application of the crystal form in the preparation of a drug for treating diseases associated with fibrosis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.