CN Patent

CN109330982A — 依前列醇冻干粉及其制备方法

Assigned to Changzhou City No4 Pharmaceutical Factory Co Ltd · Expires 2019-02-15 · 7y expired

What this patent protects

本发明公开了一种稳定的冻干组合物，较现有技术稳定性明显提高，其复溶后在室温25℃使用时间长达14小时。该组合物成分包括依前列醇或其盐，赋形剂，缓冲剂，渗透压调节剂，pH值调节剂。还公开了该组合物的制备方法。

USPTO Abstract

本发明公开了一种稳定的冻干组合物，较现有技术稳定性明显提高，其复溶后在室温25℃使用时间长达14小时。该组合物成分包括依前列醇或其盐，赋形剂，缓冲剂，渗透压调节剂，pH值调节剂。还公开了该组合物的制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN109330982A
Jurisdiction
CN
Classification
—
Expires
2019-02-15
Drug substance claim
No
Drug product claim
No
Assignee
Changzhou City No4 Pharmaceutical Factory 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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