CN Patent

CN109476689B — 富马酸替诺福韦艾拉酚胺盐的新晶型、制备方法及其用途

Assigned to Shanghai Begreat Pharmatech · Expires 2021-09-03 · 5y expired

What this patent protects

本发明公开了9‑[(R)‑2‑[[(S)‑[[(S)‑1‑(异丙氧基羰基)乙基]氨基]苯氧基氧膦基]甲氧基]丙基]腺嘌呤富马酸盐的新多晶型II、晶型A和晶型B其制备方法和药用用途。晶型II为半富马酸盐；晶型A为一富马酸盐；晶型B为倍半富马酸盐与现有晶型相比，新晶型在溶解度、稳定性和制备工艺方面具有明显优势。

USPTO Abstract

本发明公开了9‑[(R)‑2‑[[(S)‑[[(S)‑1‑(异丙氧基羰基)乙基]氨基]苯氧基氧膦基]甲氧基]丙基]腺嘌呤富马酸盐的新多晶型II、晶型A和晶型B其制备方法和药用用途。晶型II为半富马酸盐；晶型A为一富马酸盐；晶型B为倍半富马酸盐与现有晶型相比，新晶型在溶解度、稳定性和制备工艺方面具有明显优势。

Drugs covered by this patent

Patent Metadata

Patent number
CN109476689B
Jurisdiction
CN
Classification
—
Expires
2021-09-03
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Begreat Pharmatech
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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