CN Patent

CN103936726B — 晶体、制备方法及其用途

Assigned to Wang Jun · Expires 2016-06-15 · 10y expired

What this patent protects

本发明公开了1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯的晶型III和晶型IV,其X射线粉末衍射图中分别至少在2θ值为6.61±0.2、3.92±0.2和19.68±0.2处和17.40±0.2、15.35±0.2和14.91±0.2处具有特征峰,及其制备方法和药用用途。晶型III为辛醇合物在糖尿病治疗效果上具有更加明显的作用效果。晶型IV为无水合物,纯度高,制备无水合物干燥过程简单,在制备工艺方面,无水合物相对水合物有明显优势。

USPTO Abstract

本发明公开了1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯的晶型III和晶型IV,其X射线粉末衍射图中分别至少在2θ值为6.61±0.2、3.92±0.2和19.68±0.2处和17.40±0.2、15.35±0.2和14.91±0.2处具有特征峰,及其制备方法和药用用途。晶型III为辛醇合物在糖尿病治疗效果上具有更加明显的作用效果。晶型IV为无水合物,纯度高,制备无水合物干燥过程简单,在制备工艺方面,无水合物相对水合物有明显优势。

Drugs covered by this patent

Patent Metadata

Patent number
CN103936726B
Jurisdiction
CN
Classification
Expires
2016-06-15
Drug substance claim
No
Drug product claim
No
Assignee
Wang Jun
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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