CN Patent

CN111265486A — 一种注射用比伐芦定的制备工艺

Assigned to Shanghai Ambiopharm Inc · Expires 2020-06-12 · 6y expired

What this patent protects

本发明提供一种注射用比伐芦定的制备工艺,包括以下步骤:(1)将比伐芦定和甘露醇用注射用水溶解,得比伐芦定甘露醇混合溶液;(2)将比伐芦定甘露醇混合溶液与氢氧化钠溶液,同时按一定流量比例加入同一容器中搅拌混合,所述比伐芦定甘露醇混合溶液与氢氧化钠溶液的流量比为1~9:1,调节溶液pH值为5.0~6.0,补水至配液总量,得注射用比伐芦定中间体溶液;(3)将注射用比伐芦定中间体溶液经除菌过滤、灌装、半加塞、冻干、压塞、轧盖,制得注射用比伐芦定冻干粉针剂。采用本发明制备注射用比伐芦定,配液过程无比伐芦定析出,配液时间短,中间体溶液微生物负荷显著降低,且制备的注射…

USPTO Abstract

本发明提供一种注射用比伐芦定的制备工艺,包括以下步骤:(1)将比伐芦定和甘露醇用注射用水溶解,得比伐芦定甘露醇混合溶液;(2)将比伐芦定甘露醇混合溶液与氢氧化钠溶液,同时按一定流量比例加入同一容器中搅拌混合,所述比伐芦定甘露醇混合溶液与氢氧化钠溶液的流量比为1~9:1,调节溶液pH值为5.0~6.0,补水至配液总量,得注射用比伐芦定中间体溶液;(3)将注射用比伐芦定中间体溶液经除菌过滤、灌装、半加塞、冻干、压塞、轧盖,制得注射用比伐芦定冻干粉针剂。采用本发明制备注射用比伐芦定,配液过程无比伐芦定析出,配液时间短,中间体溶液微生物负荷显著降低,且制备的注射用比伐芦定成品有关物质少。

Drugs covered by this patent

Patent Metadata

Patent number
CN111265486A
Jurisdiction
CN
Classification
Expires
2020-06-12
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Ambiopharm Inc
Source
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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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