CN Patent

CN103547259A — 控制释放药物剂型

Assigned to Purdue Pharma LP · Expires 2014-01-29 · 12y expired

What this patent protects

本发明涉及提供基本上零级释放的药物多层剂型(例如涉及包含含有活性剂之第一层和不含所述活性剂之第二层的抗篡改剂型)，及其制备方法、用途和治疗方法。

USPTO Abstract

本发明涉及提供基本上零级释放的药物多层剂型(例如涉及包含含有活性剂之第一层和不含所述活性剂之第二层的抗篡改剂型)，及其制备方法、用途和治疗方法。

Drugs covered by this patent

oxycodone-hydrochloride (OXYCODONE HYDROCHLORIDE)

Patent Metadata

Patent number: CN103547259A
Jurisdiction: CN
Classification: —
Expires: 2014-01-29
Drug substance claim: No
Drug product claim: No
Assignee: Purdue Pharma LP
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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