CN Patent

CN102438617A — 含有碱性添加剂的基质型缓释制剂

Assigned to Kyorin Pharmaceutical Co Ltd · Expires 2012-05-02 · 14y expired

What this patent protects

提供一种含有对酸不稳定的碱性药剂的医药组合物,其抑制作为主药的对酸不稳定的碱性药剂的分解,并且减轻了pH依赖性地释放。在含有对酸不稳定的碱性药剂的基质型缓释制剂中,加入水难溶性的碱性正盐。

USPTO Abstract

提供一种含有对酸不稳定的碱性药剂的医药组合物,其抑制作为主药的对酸不稳定的碱性药剂的分解,并且减轻了pH依赖性地释放。在含有对酸不稳定的碱性药剂的基质型缓释制剂中,加入水难溶性的碱性正盐。

Drugs covered by this patent

Patent Metadata

Patent number
CN102438617A
Jurisdiction
CN
Classification
Expires
2012-05-02
Drug substance claim
No
Drug product claim
No
Assignee
Kyorin 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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