CN Patent

CN113797168B — 一种布比卡因多囊脂质体的制备方法

Assigned to Nanjing Kingfriend Biochemical Pharmaceutical Co ltd · Expires 2023-04-07 · 3y expired

What this patent protects

本发明提供了一种布比卡因多囊脂质体的制备方法,包括以下步骤:浓度为15~30mg/mL的磷酸水溶液作为内水相;将布比卡因、脂质成分与二氯甲烷混合形成有机相,且布比卡因的浓度为35~45mg/mL;将葡萄糖、L‑赖氨酸和氯化钠溶液混合形成外水相将内水相与有机相混合形成第一相W/O将第一相W/O与一定体积的外水相混合,搅拌形成W/OW初乳;将W/OW初乳再次与一定体积的外水相混合,搅拌形成W/OW复乳,去除有机溶剂,得到稳定的多囊脂质体。该方法一种稳定可靠的,可用于商业化生产的多囊脂质体制备方法。

USPTO Abstract

本发明提供了一种布比卡因多囊脂质体的制备方法,包括以下步骤:浓度为15~30mg/mL的磷酸水溶液作为内水相;将布比卡因、脂质成分与二氯甲烷混合形成有机相,且布比卡因的浓度为35~45mg/mL;将葡萄糖、L‑赖氨酸和氯化钠溶液混合形成外水相将内水相与有机相混合形成第一相W/O将第一相W/O与一定体积的外水相混合,搅拌形成W/OW初乳;将W/OW初乳再次与一定体积的外水相混合,搅拌形成W/OW复乳,去除有机溶剂,得到稳定的多囊脂质体。该方法一种稳定可靠的,可用于商业化生产的多囊脂质体制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN113797168B
Jurisdiction
CN
Classification
Expires
2023-04-07
Drug substance claim
No
Drug product claim
No
Assignee
Nanjing Kingfriend Biochemical 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.

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.