EP4198035A1 — Salt form and crystal form of jak inhibitor, preparation method therefor, and use thereof
Assigned to Shanghai Fudan Zhangjiang Bio pharmaceutical Co Ltd · Expires 2023-06-21 · 3y expired
What this patent protects
Provided in the present invention are a salt form and a crystal form of a JAK inhibitor, a preparation method therefor, and the use thereof. An X-ray powder diffraction pattern of a crystal form A of a compound as shown in formula I has characteristic diffraction peaks at the 2θ …
USPTO Abstract
Provided in the present invention are a salt form and a crystal form of a JAK inhibitor, a preparation method therefor, and the use thereof. An X-ray powder diffraction pattern of a crystal form A of a compound as shown in formula I has characteristic diffraction peaks at the 2θ angles of 5.9°±0.2°, 7.4°±0.2°, 11.6°±0.2°, 21.7°±0.2° and 23.8°±0.2°.
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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