| 发明名称 |
PROCESS FOR PRODUCING SILYLATED PULLULAN AND COSMETIC PREPARATION |
| 摘要 |
<p>The present invention provides a process for producing silylated pullulan, which features reacting pullulan with N,O-bistrimethylsilylacetamide by using, as a reaction medium, only one of N-methyl-2-pyrrolidone and N-ethyl-2-pyrrolidone or a mixed solvent of both of them. Compared with conventional processes, the process according to the present invention can produce high-purity silylated pullulan simply, easily and efficiency.</p> |
| 申请公布号 |
EP2135883(B1) |
申请公布日期 |
2015.06.10 |
| 申请号 |
EP20070740529 |
申请日期 |
2007.03.30 |
| 申请人 |
DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD. |
发明人 |
IZUME, MASATO;FUKUHARA, TAKAHIRO;NIWA, MAKOTO;SANNAN, TAKANORI;TSUCHIDA, SHINYA;KOBAYASHI, NOBUYUKI |
| 分类号 |
C08B37/00;A61K8/60;A61K8/73;A61Q1/00 |
主分类号 |
C08B37/00 |
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