CN Patent

CN105663038B — 一种液体缓释制剂及其制备方法

Assigned to Beijing Nukangda Medicine Polytron Technologies Inc · Expires 2019-06-14 · 7y expired

What this patent protects

本发明公开了一种含有离子交换树脂和亲水胶的缓释制剂及其制备方法，缓释制剂由药物‑离子交换树脂复合物和混悬基质制成，其中，药物‑离子交换树脂复合物由可与离子交换树脂结合的活性药物、药学上可接受的离子交换树脂，药物‑离子交换树脂复合物可进一步含有不溶性聚合物和增塑剂；混悬液基质由亲水胶、酸性调节剂、增稠剂、防腐剂、抗氧剂、润湿剂、着色剂、甜味剂组成。

USPTO Abstract

本发明公开了一种含有离子交换树脂和亲水胶的缓释制剂及其制备方法，缓释制剂由药物‑离子交换树脂复合物和混悬基质制成，其中，药物‑离子交换树脂复合物由可与离子交换树脂结合的活性药物、药学上可接受的离子交换树脂，药物‑离子交换树脂复合物可进一步含有不溶性聚合物和增塑剂；混悬液基质由亲水胶、酸性调节剂、增稠剂、防腐剂、抗氧剂、润湿剂、着色剂、甜味剂组成。

Drugs covered by this patent

Patent Metadata

Patent number: CN105663038B
Jurisdiction: CN
Classification: —
Expires: 2019-06-14
Drug substance claim: No
Drug product claim: No
Assignee: Beijing Nukangda Medicine Polytron Technologies Inc
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.