CN Patent

CN102935074B — 一种盐酸曲唑酮渗透泵控释片

Assigned to CHENGDU KANGHONG PHARMACEUTICALS GROUP Co Ltd · Expires 2015-04-22 · 11y expired

What this patent protects

本发明涉及一种盐酸曲唑酮渗透泵控释片,该盐酸曲唑酮渗透泵控释片由含药片芯、半透膜包衣层和释药孔三部分组成:药物片芯由重量比为140~160份盐酸曲唑酮、10-90份渗透压促进剂、40-106份填充剂、5-15份崩解剂、1-9份粘合剂、和4-10份润滑剂组成;包衣膜由重量比为8.7-19份半透膜包衣材料和0.4-3份塑化剂组成。本发明盐酸曲唑酮渗透泵缓控释片能够有效持续释放药物达24小时,并且前12小时内释放速度接近于恒速,药物释放彻底。该药物一天只用给药一次,服用方便。此外,其制备工艺简单,适合于工业化大生产。

USPTO Abstract

本发明涉及一种盐酸曲唑酮渗透泵控释片,该盐酸曲唑酮渗透泵控释片由含药片芯、半透膜包衣层和释药孔三部分组成:药物片芯由重量比为140~160份盐酸曲唑酮、10-90份渗透压促进剂、40-106份填充剂、5-15份崩解剂、1-9份粘合剂、和4-10份润滑剂组成;包衣膜由重量比为8.7-19份半透膜包衣材料和0.4-3份塑化剂组成。本发明盐酸曲唑酮渗透泵缓控释片能够有效持续释放药物达24小时,并且前12小时内释放速度接近于恒速,药物释放彻底。该药物一天只用给药一次,服用方便。此外,其制备工艺简单,适合于工业化大生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN102935074B
Jurisdiction
CN
Classification
Expires
2015-04-22
Drug substance claim
No
Drug product claim
No
Assignee
CHENGDU KANGHONG PHARMACEUTICALS GROUP 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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