发明名称 |
METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID |
摘要 |
<p>The invention relates to a method of preparing a composition, the composition comprising a crosslinked first polymer, optionally a second polymer, which may be crosslinked or non-crosslinked, and water, wherein the first and the second polymer are selected from a polysaccharide, comprising at least steps (i) to (iv): (i) crosslinking a mixture comprising the first polymer and water; (ii) subsequent to the crosslinking in step (i), terminating the crosslinking; (iii) optionally blending the product obtained in step (ii) with the second polymer; (iv) subjecting the product obtained in step (iii) to dialysis.</p> |
申请公布号 |
CA2876070(A1) |
申请公布日期 |
2013.12.19 |
申请号 |
CA20132876070 |
申请日期 |
2013.06.14 |
申请人 |
MERZ PHARMA GMBH & CO. KGAA |
发明人 |
BARG, HEIKO;FRIEDRICH, JOSEF;LIEBETRAU, WOLFGANG;VOIGTS, ROBERT G.;LIGMAN, TIM STEPHEN |
分类号 |
C08B37/08;A61K8/73;A61K9/00;A61K31/728;A61K47/36;A61L27/52;C08J3/075;C08J3/24;C08L5/08 |
主分类号 |
C08B37/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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