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    • 4. 发明申请
    • COMBINATION OF CROSS-LINKED HYALURONIC ACIDS AND METHOD OF PREPARING THE SAME
    • 交联的透明质酸的组合及其制备方法
    • WO2017131298A1
    • 2017-08-03
    • PCT/KR2016/005819
    • 2016-06-01
    • HANMI PHARM. CO., LTD.
    • CHOI, Sung ChulKIM, Hyun IlYANG, Ki YoungPARK, Hyo SeungLEE, Back Ho
    • C08B37/08A61K47/36A61K9/00A61K31/728
    • A61K47/36A61K31/728C08B37/0072
    • Provided are a method of preparing a cross-linked hyaluronic acid having an elasticity of about 50 to about 200 Pa and a viscosity of about 20 to about 100 Pa, the method including cross-linking hyaluronic acid with an epoxy-based cross-linking agent having at least two epoxy functional groups in an ethanol-containing aqueous alkaline; a method of preparing a cross-linked hyaluronic acid having an elasticity of about 400 to about 800 Pa and a viscosity of about 40 to about 100 Pa, the method including cross-linking the cross-linked hyaluronic acid having an elasticity of about 50 to about 200 Pa and a viscosity of about 20 to about 100 Pa with an epoxy-based cross-linking agent having at least two epoxy functional groups in an aqueous alkaline solution; and a combination of cross-linked hyaluronic acids including the cross-linked hyaluronic acid having an elasticity of about 50 to about 200 Pa and a viscosity of about 20 to about 100 Pa and the cross-linked hyaluronic acid having an elasticity of about 400 to about 800 Pa and a viscosity of about 40 to about 100 Pa.
    • 提供了一种制备具有约50至约200Pa的弹性和约20至约100Pa的粘度的交联透明质酸的方法,所述方法包括将透明质酸与 在含乙醇的碱性水溶液中具有至少两个环氧官能团的基于环氧的交联剂; 制备具有约400至约800Pa的弹性和约40至约100Pa的粘度的交联透明质酸的方法,所述方法包括交联弹性为约50至约100的交联透明质酸 约200Pa的粘度和约20至约100Pa的粘度,其中在碱性水溶液中具有至少两个环氧官能团的环氧基交联剂; 以及交联透明质酸的组合,所述交联透明质酸包括具有约50至约200Pa的弹性和约20至约100Pa的粘度的交联透明质酸和具有约400至约100Pa的弹性的交联透明质酸 约800Pa和约40至约100Pa的粘度