Crystal form of β-lactamase inhibitor and preparation method therefor
US11180501B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Dec 3, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Dec 3, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed in the present disclosure are a crystal form of a β-lactamase inhibitor and a preparation method therefor, as well as an application of the crystal form in preparing a β-lactamase inhibitor drug. (I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.