CN Patent

CN114573662B — 一种普卡那肽铵盐的制备方法

Assigned to Hybio Pharmaceutical Co Ltd · Expires 2024-06-11 · 2y expired

What this patent protects

本发明涉及多肽纯化技术领域，尤其涉及一种普卡那肽铵盐的制备方法。该方法利用反相柱色谱洗脱转盐方法，明显降低了异丙醇的用量不额外增加成本，相比于原研专利，本发明提供的制备方法获得的产品纯度高，氧化杂质含量低，异丙醇使用量少，仅需一次冻干即可获得普卡那肽铵盐，大大降低了生产成本。

USPTO Abstract

本发明涉及多肽纯化技术领域，尤其涉及一种普卡那肽铵盐的制备方法。该方法利用反相柱色谱洗脱转盐方法，明显降低了异丙醇的用量不额外增加成本，相比于原研专利，本发明提供的制备方法获得的产品纯度高，氧化杂质含量低，异丙醇使用量少，仅需一次冻干即可获得普卡那肽铵盐，大大降低了生产成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN114573662B
Jurisdiction
CN
Classification
—
Expires
2024-06-11
Drug substance claim
No
Drug product claim
No
Assignee
Hybio Pharmaceutical Co Ltd
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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