CN Patent

CN102397262B — 阿莫西林缓释固体药物组合物及其制备方法

Assigned to Chongqing Pharmaceutical Research Institute Co Ltd · Expires 2015-07-15 · 11y expired

What this patent protects

本发明涉及阿莫西林缓释固体组合物及其制备方法,该组合物包括含有阿莫西林的速释单元,含有阿莫西林的第一个延迟释放单元和含有阿莫西林的第二个延迟释放单元,其特征在于:两个延迟释放单元各自为由含有阿莫西林的丸芯、涂于该丸芯表面的内层的pH敏感包衣材料和外层亲水性包衣材料组成的微丸或颗粒,其中,第一个延迟释放单元和第二个延迟释放单元的pH敏感包衣材料不相同,其中第一个延迟释放单元包衣材料pH敏感释放点pH≥5.0,第二个延迟释放单元包衣材料pH敏感释放点pH≥6.0。该组合物高可改善阿莫西林pH敏感包衣微丸压片后在释放初期的释放度。

USPTO Abstract

本发明涉及阿莫西林缓释固体组合物及其制备方法,该组合物包括含有阿莫西林的速释单元,含有阿莫西林的第一个延迟释放单元和含有阿莫西林的第二个延迟释放单元,其特征在于:两个延迟释放单元各自为由含有阿莫西林的丸芯、涂于该丸芯表面的内层的pH敏感包衣材料和外层亲水性包衣材料组成的微丸或颗粒,其中,第一个延迟释放单元和第二个延迟释放单元的pH敏感包衣材料不相同,其中第一个延迟释放单元包衣材料pH敏感释放点pH≥5.0,第二个延迟释放单元包衣材料pH敏感释放点pH≥6.0。该组合物高可改善阿莫西林pH敏感包衣微丸压片后在释放初期的释放度。

Drugs covered by this patent

Patent Metadata

Patent number
CN102397262B
Jurisdiction
CN
Classification
Expires
2015-07-15
Drug substance claim
No
Drug product claim
No
Assignee
Chongqing Pharmaceutical Research Institute Co Ltd
Source
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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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