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METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID
专利权人:
MERZ PHARMA GMBH & CO. KGAA
发明人:
BARG ,HEIKO,FRIEDRICH ,JOSEF,LIEBETRAU ,WOLFGANG,VOIGTS, ROBERT ,G.,LIGMAN, TIM ,STEPHEN
申请号:
IN10147DEN2014
公开号:
IN10147DEN2014A
申请日:
2014.11.28
申请国别(地区):
IN
年份:
2015
代理人:
摘要:
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.
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中国工程科技知识中心
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