CN Patent

CN105859641B — 喹唑啉巴豆基化合物二马来酸盐的晶体及其制备方法和用途

Assigned to HANGZHOU HUADONG MEDICINE GROUP NEW MEDICINE RESEARCH INSTITUTE Co Ltd · Expires 2018-11-16 · 8y expired

What this patent protects

本发明公开了一种式I所示化合物的二马来酸盐晶型K、晶型E、晶型F和晶型G,并公开了它们的制备方法和用途。所述晶型K、晶型E、晶型F和晶型G具有优良的储存稳定性和溶解性,更适合作为制剂原料使用。

USPTO Abstract

本发明公开了一种式I所示化合物的二马来酸盐晶型K、晶型E、晶型F和晶型G,并公开了它们的制备方法和用途。所述晶型K、晶型E、晶型F和晶型G具有优良的储存稳定性和溶解性,更适合作为制剂原料使用。

Drugs covered by this patent

Patent Metadata

Patent number
CN105859641B
Jurisdiction
CN
Classification
Expires
2018-11-16
Drug substance claim
No
Drug product claim
No
Assignee
HANGZHOU HUADONG MEDICINE GROUP NEW MEDICINE RESEARCH INSTITUTE Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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