Crystalline form of chemical compound, and preparation method, composition, and application thereof
US10611757B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jul 10, 2017 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are a preparation method for a crystalline form of the compound represented by formula (A), as well as a method for preparation thereof, a composition thereof, and an application thereof in preparing an angiotensin II receptor antagonist or an application in preparing a drug for preventing and/or treating hypertension, chronic heart failure and diabetic nephropathy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.