CN Patent

CN104771761A — 一种创新药用辅料硅化微晶纤维素及其制备方法

Assigned to GUANGDONG GUOYUAN GUOYAO PHARMACEUTICAL CO., LTD. · Expires 2015-07-15 · 11y expired

What this patent protects

一种创新药用辅料硅化微晶纤维素及其制备方法,以98.15%~99.45%微晶纤维素,0.55%~1.85%微粉硅胶为原料,将微晶纤维素与一部分微粉硅胶内加通过高剪切分散均质机配制均质乳液,再加一部分微粉硅胶外加与均质乳液混合均匀,通过喷雾干燥,制得硅化微晶纤维素。制得的硅化微晶纤维素流动性、可压性良好,能有效改善制剂崩解性、分散均匀性及溶出度等制剂性能,特别适用于中药分散制剂。以妇炎康分散片原料中药干膏粉为典型药物,能有效改善制剂外观、分散均匀性、溶出度等性能。

USPTO Abstract

一种创新药用辅料硅化微晶纤维素及其制备方法,以98.15%~99.45%微晶纤维素,0.55%~1.85%微粉硅胶为原料,将微晶纤维素与一部分微粉硅胶内加通过高剪切分散均质机配制均质乳液,再加一部分微粉硅胶外加与均质乳液混合均匀,通过喷雾干燥,制得硅化微晶纤维素。制得的硅化微晶纤维素流动性、可压性良好,能有效改善制剂崩解性、分散均匀性及溶出度等制剂性能,特别适用于中药分散制剂。以妇炎康分散片原料中药干膏粉为典型药物,能有效改善制剂外观、分散均匀性、溶出度等性能。

Drugs covered by this patent

Patent Metadata

Patent number
CN104771761A
Jurisdiction
CN
Classification
Expires
2015-07-15
Drug substance claim
No
Drug product claim
No
Assignee
GUANGDONG GUOYUAN GUOYAO PHARMACEUTICAL CO., 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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