CN Patent

CN112469396A — 核壳聚合物纳米颗粒

Assigned to University of Queensland UQ · Expires 2021-03-09 · 5y expired

What this patent protects

公开了一种包封活性成分的核壳聚合物纳米颗粒的制备方法,包括:让活性成分与聚合物溶解于多溶剂体系中,然后使用反溶剂实现纳米沉淀。与使用单溶剂相比,在含有两种或更多种有机溶剂的有机溶剂体系的优选使用中,容许更高程度对沉淀时间的控制,可以使活性成分和聚合物几乎同时沉淀,或更理想的情况是活性成分正好先于聚合物沉淀。

USPTO Abstract

公开了一种包封活性成分的核壳聚合物纳米颗粒的制备方法,包括:让活性成分与聚合物溶解于多溶剂体系中,然后使用反溶剂实现纳米沉淀。与使用单溶剂相比,在含有两种或更多种有机溶剂的有机溶剂体系的优选使用中,容许更高程度对沉淀时间的控制,可以使活性成分和聚合物几乎同时沉淀,或更理想的情况是活性成分正好先于聚合物沉淀。

Drugs covered by this patent

Patent Metadata

Patent number
CN112469396A
Jurisdiction
CN
Classification
Expires
2021-03-09
Drug substance claim
No
Drug product claim
No
Assignee
University of Queensland UQ
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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