CN Patent

CN109833291B — 一种稳定的丙酸氯倍他索软膏及其制备方法

Assigned to Prinbury Biopharm Research And Development Shanghai Co ltd · Expires 2022-08-26 · 4y expired

What this patent protects

本发明公开了一种稳定的丙酸氯倍他索软膏及其制备方法，属于药物制剂领域，其包括有以下质量百分比浓度的组分：丙酸氯倍他索0.05％；乳化剂0.475～0.525％；增溶剂4.75～5.25％；稳定剂0.005～0.3％；软膏基质89.73～99.17％。本发明为：向丙酸氯倍他索软膏中加入有机酸可以增加丙酸氯倍他索软膏的化学稳定性，降低杂质A的含量。

USPTO Abstract

本发明公开了一种稳定的丙酸氯倍他索软膏及其制备方法，属于药物制剂领域，其包括有以下质量百分比浓度的组分：丙酸氯倍他索0.05％；乳化剂0.475～0.525％；增溶剂4.75～5.25％；稳定剂0.005～0.3％；软膏基质89.73～99.17％。本发明为：向丙酸氯倍他索软膏中加入有机酸可以增加丙酸氯倍他索软膏的化学稳定性，降低杂质A的含量。

Drugs covered by this patent

Patent Metadata

Patent number
CN109833291B
Jurisdiction
CN
Classification
—
Expires
2022-08-26
Drug substance claim
No
Drug product claim
No
Assignee
Prinbury Biopharm Research And Development Shanghai 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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