Salt of a quinazoline derivative-like tyrosine kinase inhibitor and crystal form thereof
US11111234B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Aug 11, 2017 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Feb 22, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are a maleate of a quinazoline derivative-like tyrosine kinase inhibitor represented by Formula (1), and a crystal form thereof and a preparation method therefor, a pharmaceutical composition comprising the maleate and the crystal form thereof, as well as use of the maleate and the crystal form thereof in the manufacture of a medicament for treating and/or preventing a hyperproliferative disease and a chronic obstructive pulmonary disease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.