EP3960742A1 — Crystals of alkynyl-containing compound, salt and solvate thereof, preparation method, and applications
Assigned to Guangzhou Healthquest Pharmaceuticals Co Ltd · Expires 2022-03-02 · 4y expired
What this patent protects
The invention discloses the crystal form, preparation method and application of an alkynyl compound, its salt and solvent compound. The invention specifically discloses 3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-4-methyl-N-(4-((4-methylpiperazine-1-yl)methyl)-3-(trifluoromethyl)…
USPTO Abstract
The invention discloses the crystal form, preparation method and application of an alkynyl compound, its salt and solvent compound. The invention specifically discloses 3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-4-methyl-N-(4-((4-methylpiperazine-1-yl)methyl)-3-(trifluoromethyl)phenyl) benzamide crystal form I and 3-((1H-pyrazolo [3,4-b]pyridin-5-yl)ethynyl)-4-methyl-N-(4-((4-methylpiperazine-1-yl)methyl)-3-(trifluoromethyl)phenyl) benzamide fumarate crystal form II. The crystal form of the invention has good stability and has important value for drug optimization and development.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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