CN103860482B — 一种盐酸苯达莫司汀冻干粉针剂的制备方法、其产品及用途
Assigned to Haikou Pharmaceutical Factory Co Ltd · Expires 2016-08-24 · 10y expired
What this patent protects
本发明提供了一种盐酸苯达莫司汀冻干粉针剂的制备方法,其特征在于,该制备方法包括以下步骤:1)溶解:称取盐酸苯达莫司汀和赋形剂,加入注射用水,搅拌溶解,将所得溶液在冰浴中保存;2)除热原:向步骤1)所得溶液中加入活性炭,在冰浴下搅拌,过滤脱碳,精滤,得到药液;3)预冻:将药液降温至‑53~‑50℃,得到预冻后的药液;4)一次干燥:将所得预冻后的药液抽真空至12~20Pa,均匀升温至8~10℃,然后均匀升温至18~22℃,得到一次干燥后的药液;5)二次干燥:将一次干燥后的药液均匀升温至35℃,然后均匀升温至45℃,在保持真空的条件下将所得粉末冷却至室温,即得…
USPTO Abstract
本发明提供了一种盐酸苯达莫司汀冻干粉针剂的制备方法,其特征在于,该制备方法包括以下步骤:1)溶解:称取盐酸苯达莫司汀和赋形剂,加入注射用水,搅拌溶解,将所得溶液在冰浴中保存;2)除热原:向步骤1)所得溶液中加入活性炭,在冰浴下搅拌,过滤脱碳,精滤,得到药液;3)预冻:将药液降温至‑53~‑50℃,得到预冻后的药液;4)一次干燥:将所得预冻后的药液抽真空至12~20Pa,均匀升温至8~10℃,然后均匀升温至18~22℃,得到一次干燥后的药液;5)二次干燥:将一次干燥后的药液均匀升温至35℃,然后均匀升温至45℃,在保持真空的条件下将所得粉末冷却至室温,即得所述盐酸苯达莫司汀冻干粉针剂。
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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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