CN Patent

CN115350152A — 一种普萘洛尔缓释口服混悬液及其制备方法

Assigned to Wuhan Conform Pharmaceutical Co ltd · Expires 2022-11-18 · 3y expired

What this patent protects

本发明公开一种普萘洛尔缓释口服混悬液及其制备方法,属于药物制剂技术领域。包括以下质量百分比的各组分:盐酸普萘洛尔0.3~1.0%、离子交换树脂3~20%、聚乙烯乙酸酯1~5%、三醋汀0.05~0.5%、助悬剂0.06~1.2%、矫味剂0.3~0.7%、以及纯化水。本发明的普萘洛尔缓释口服混悬液采用离子交换树脂与盐酸普萘洛尔形成药物树脂复合物,达到缓释的目的,并掩盖苦味,再利用聚乙烯乙酸酯和三醋汀对其进行包衣,控制药物突释效应,达到更平稳的缓释效果;最后加入助悬剂、矫味剂制备成混悬液。普萘洛尔从口服混悬液中的释放可持续24h,给药后12小时内约80%的药物…

USPTO Abstract

本发明公开一种普萘洛尔缓释口服混悬液及其制备方法,属于药物制剂技术领域。包括以下质量百分比的各组分:盐酸普萘洛尔0.3~1.0%、离子交换树脂3~20%、聚乙烯乙酸酯1~5%、三醋汀0.05~0.5%、助悬剂0.06~1.2%、矫味剂0.3~0.7%、以及纯化水。本发明的普萘洛尔缓释口服混悬液采用离子交换树脂与盐酸普萘洛尔形成药物树脂复合物,达到缓释的目的,并掩盖苦味,再利用聚乙烯乙酸酯和三醋汀对其进行包衣,控制药物突释效应,达到更平稳的缓释效果;最后加入助悬剂、矫味剂制备成混悬液。普萘洛尔从口服混悬液中的释放可持续24h,给药后12小时内约80%的药物从口服混悬液中释放。本发明的混悬液掩味效果好,且释放时间长,可以降低婴幼儿口服给药的次数,提高婴幼儿患者服用的顺应性。

Drugs covered by this patent

Patent Metadata

Patent number
CN115350152A
Jurisdiction
CN
Classification
Expires
2022-11-18
Drug substance claim
No
Drug product claim
No
Assignee
Wuhan Conform 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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