CN114259461B — 一种双氯芬酸钠凝胶及其制备方法
Assigned to Hainan Quanxing Pharmaceutical Co ltd · Expires 2023-09-12 · 3y expired
What this patent protects
本发明提供一种双氯芬酸钠凝胶及其制备方法，每千克原料包括以下重量份的组分：双氯芬酸钠10g、卡波姆均聚物8‑12g、丙二醇60‑110g、异丙醇30‑60g、依地酸二钠0.8‑1.2g、氢氧化钠3‑5g和余量纯化水，所述卡波姆均聚物由卡波姆均聚物A型971P NF和卡波姆均聚物C型980NF组成。本发明以双氯芬酸钠为主药，卡波姆均聚物A型971P NF和卡波姆均聚物C型980NF组合为基质，丙二醇为助溶剂，异丙醇为促渗剂，依地酸二钠为络合剂，氢氧化钠为pH调节剂，纯化水为溶剂，科学配比，制得双氯芬酸钠凝胶显著降低大鼠足跖肿胀程度，明显降低大鼠TNF‑α活…
USPTO Abstract
本发明提供一种双氯芬酸钠凝胶及其制备方法，每千克原料包括以下重量份的组分：双氯芬酸钠10g、卡波姆均聚物8‑12g、丙二醇60‑110g、异丙醇30‑60g、依地酸二钠0.8‑1.2g、氢氧化钠3‑5g和余量纯化水，所述卡波姆均聚物由卡波姆均聚物A型971P NF和卡波姆均聚物C型980NF组成。本发明以双氯芬酸钠为主药，卡波姆均聚物A型971P NF和卡波姆均聚物C型980NF组合为基质，丙二醇为助溶剂，异丙醇为促渗剂，依地酸二钠为络合剂，氢氧化钠为pH调节剂，纯化水为溶剂，科学配比，制得双氯芬酸钠凝胶显著降低大鼠足跖肿胀程度，明显降低大鼠TNF‑α活性，同时显著降低PGE 2 ，有效提高药效，降低炎症反应。
Drugs covered by this patent
- Arthrotec (Diclofenac Sodium) · Pfizer
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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