CN Patent

CN112656760B — 一种二氟泼尼酯混悬滴眼液及其制备方法

Assigned to Wuhan Conform Pharmaceutical Co ltd · Expires 2022-04-12 · 4y expired

What this patent protects

本发明公开一种二氟泼尼酯混悬滴眼液及其制备方法,按质量百分比包括二氟泼尼酯0.05~0.15%、改性胶原蛋白1~2.5%、中链脂肪酸甘油酯0.3~0.8%、辛酸癸酸聚乙二醇甘油酯0.2~0.8%、聚氧乙烯氢化蓖麻油0.2~0.6%、甘油2.2%、苯扎氯胺0.1%,余量为去离子水;改性胶原蛋白是将胶原蛋白粉放入密闭搅拌容器中通入二氧化氯和氮气的混合蒸汽并不断搅拌,并同步进行紫外线照射后制备而成。本发明利用改性胶原蛋白的粘附性,显著延长了药物在眼部的滞留时间,与普通滴眼液相比不仅可以降低给药频次提高眼部手术患者的用药顺应性,同时使眼部始终处于较高浓度的药物微…

USPTO Abstract

本发明公开一种二氟泼尼酯混悬滴眼液及其制备方法,按质量百分比包括二氟泼尼酯0.05~0.15%、改性胶原蛋白1~2.5%、中链脂肪酸甘油酯0.3~0.8%、辛酸癸酸聚乙二醇甘油酯0.2~0.8%、聚氧乙烯氢化蓖麻油0.2~0.6%、甘油2.2%、苯扎氯胺0.1%,余量为去离子水;改性胶原蛋白是将胶原蛋白粉放入密闭搅拌容器中通入二氧化氯和氮气的混合蒸汽并不断搅拌,并同步进行紫外线照射后制备而成。本发明利用改性胶原蛋白的粘附性,显著延长了药物在眼部的滞留时间,与普通滴眼液相比不仅可以降低给药频次提高眼部手术患者的用药顺应性,同时使眼部始终处于较高浓度的药物微环境中,可增强对眼部感染症状的治疗效果。

Drugs covered by this patent

Patent Metadata

Patent number
CN112656760B
Jurisdiction
CN
Classification
Expires
2022-04-12
Drug substance claim
No
Drug product claim
No
Assignee
Wuhan Conform 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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