发明名称 |
CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF AND/OR PRODUCTION METHOD FOR CARBOXYMETHYL-GROUP-CONTAINING MODIFIED HYALURONIC ACID AND/OR SALT THEREOF |
摘要 |
A method of producing a carboxymethyl-group-containing modified hyaluronic acid and/or a salt thereof includes a step of subjecting, in a water-containing solvent having a temperature of 30°C or less, a dissolved raw material hyaluronic acid and/or a salt thereof to a reaction with a haloacetic acid and/or a salt thereof, the water-containing solvent including water or a liquid mixture of a water-soluble organic solvent and water, a ratio of the water-soluble organic solvent in the liquid mixture being 60 v/v% or less. |
申请公布号 |
EP3056519(A1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20140852767 |
申请日期 |
2014.10.07 |
申请人 |
KEWPIE CORPORATION |
发明人 |
FUJIKAWA, SHUNICHI;ABE, YUKINA;ASAOKA, KAZUNORI;YOSHIDA, TAKUSHI |
分类号 |
C08B37/08;A61K8/73;A61K47/36 |
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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