EP4640679A1 — Salt form and crystal form of pyridine multi-substituted compound and preparation method therefor
Assigned to Usynova Pharmaceuticals Ltd · Expires 2025-10-29 · 1y expired
What this patent protects
Disclosed in the present invention are a salt form and a crystal form of a pyridine multi-substituted compound and a preparation method therefor. Specifically disclosed is the use of a crystal form of a compound of formula (I) and a preparation method therefor in the preparation …
USPTO Abstract
Disclosed in the present invention are a salt form and a crystal form of a pyridine multi-substituted compound and a preparation method therefor. Specifically disclosed is the use of a crystal form of a compound of formula (I) and a preparation method therefor in the preparation of a drug for treating related diseases.
Drugs covered by this patent
- Livtencity (MARIBAVIR) · Takeda
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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