CN Patent

CN101677959B — 由微粒制成的缓释药物组合物

Assigned to Debiopharm International SA · Expires 2014-02-26 · 12y expired

What this patent protects

一种由微粒制成的药物组合物,所述微粒用于至少在一段覆盖所述组合物注射后第6个月的时间里缓释活性物质,所述组合物包含一组由PLGA类型的共聚物制成的微粒,所述微粒掺入有水不溶性肽盐形式的活性物质;而且所述共聚物包含至少75%的乳酸和0.1-0.9dl/g之间的特性粘度,该粘度是在0.5g/dL的聚合物浓度下在氯仿中25℃下测量;而且所述微粒具有如下所定义的粒度分布:D(v,0.1)在10-30微米之间,D(v,0.5)在30-70微米之间,D(v,0.9)在50-110微米之间。

USPTO Abstract

一种由微粒制成的药物组合物,所述微粒用于至少在一段覆盖所述组合物注射后第6个月的时间里缓释活性物质,所述组合物包含一组由PLGA类型的共聚物制成的微粒,所述微粒掺入有水不溶性肽盐形式的活性物质;而且所述共聚物包含至少75%的乳酸和0.1-0.9dl/g之间的特性粘度,该粘度是在0.5g/dL的聚合物浓度下在氯仿中25℃下测量;而且所述微粒具有如下所定义的粒度分布:D(v,0.1)在10-30微米之间,D(v,0.5)在30-70微米之间,D(v,0.9)在50-110微米之间。

Drugs covered by this patent

Patent Metadata

Patent number
CN101677959B
Jurisdiction
CN
Classification
Expires
2014-02-26
Drug substance claim
No
Drug product claim
No
Assignee
Debiopharm International SA
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.