CN Patent

CN119463223B — 一种基于湿法制粒的硅化微晶纤维素制备方法

Assigned to Hangzhou Gaocheng Biotech & Health Co ltd · Expires 2025-04-11 · 1y expired

What this patent protects

本发明涉及医用配制品辅料领域,公开了一种基于湿法制粒的硅化微晶纤维素制备方法,包括以下步骤:将胶态SiO 2 分散在60~95℃水中,得胶态SiO 2 分散液,保温备用;向微晶纤维素中喷入胶态SiO 2 分散液和20~30℃水进行湿法制粒,控制搅拌桨转速为200~250rpm,切刀转速为1400~1600rpm,得湿粒;所述20~30℃水与所述60~95℃水之间的质量比为1:3.5~7.0;对湿粒进行干燥和粉碎,得硅化微晶纤维素。本发明的制备方法能够降低能耗,减少设备投入,且制得的硅化微晶纤维素具有更好的流动性。

USPTO Abstract

本发明涉及医用配制品辅料领域,公开了一种基于湿法制粒的硅化微晶纤维素制备方法,包括以下步骤:将胶态SiO 2 分散在60~95℃水中,得胶态SiO 2 分散液,保温备用;向微晶纤维素中喷入胶态SiO 2 分散液和20~30℃水进行湿法制粒,控制搅拌桨转速为200~250rpm,切刀转速为1400~1600rpm,得湿粒;所述20~30℃水与所述60~95℃水之间的质量比为1:3.5~7.0;对湿粒进行干燥和粉碎,得硅化微晶纤维素。本发明的制备方法能够降低能耗,减少设备投入,且制得的硅化微晶纤维素具有更好的流动性。

Drugs covered by this patent

Patent Metadata

Patent number
CN119463223B
Jurisdiction
CN
Classification
Expires
2025-04-11
Drug substance claim
No
Drug product claim
No
Assignee
Hangzhou Gaocheng Biotech & Health 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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