CN Patent

CN111978333B — Bictegravir钠盐的晶型A、制备方法及用途

Assigned to Changzhou Pharmaceutical Factory · Expires 2021-06-18 · 5y expired

What this patent protects

本发明涉及生物医药技术领域，具体涉及Bictegravir钠盐的晶型A、制备方法及用途。本发明提供的Bictegravir钠盐的晶型A相比现有晶型具有更低的引湿性；在模拟生物介质和纯水中具有良好的溶解度；具有更好的流动性；具有更优的可压性；具有更小的黏附性。

USPTO Abstract

本发明涉及生物医药技术领域，具体涉及Bictegravir钠盐的晶型A、制备方法及用途。本发明提供的Bictegravir钠盐的晶型A相比现有晶型具有更低的引湿性；在模拟生物介质和纯水中具有良好的溶解度；具有更好的流动性；具有更优的可压性；具有更小的黏附性。

Drugs covered by this patent

bictegravir-sodium (BICTEGRAVIR SODIUM)

Patent Metadata

Patent number: CN111978333B
Jurisdiction: CN
Classification: —
Expires: 2021-06-18
Drug substance claim: No
Drug product claim: No
Assignee: Changzhou Pharmaceutical Factory
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.