CN Patent

CN1856299A — 口服药物释出系统

Assigned to Sun Pharmaceutical Industries Ltd · Expires 2006-11-01 · 20y expired

What this patent protects

本发明提供一种口服药物释出系统，其包括(a)含活性成分和药学上可接受的赋形剂的核心，和(b)围绕该药芯的基本上由乙基纤维素组成的胞衣。

USPTO Abstract

本发明提供一种口服药物释出系统，其包括(a)含活性成分和药学上可接受的赋形剂的核心，和(b)围绕该药芯的基本上由乙基纤维素组成的胞衣。

Drugs covered by this patent

Keppra (levetiracetam) · Generic (originally UCB Pharma)

Patent Metadata

Patent number: CN1856299A
Jurisdiction: CN
Classification: —
Expires: 2006-11-01
Drug substance claim: No
Drug product claim: No
Assignee: Sun Pharmaceutical Industries 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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