| 发明名称 |
PROCESS FOR PREPARING LOW-VISCOSITY CELLULOSE ETHERS |
| 摘要 |
<p>1. A process for the preparation of low-viscosity cellulose ethers, whereby alkalization with aqueous sodium hydroxide solution is followed by etherification, characterized in that an aqueous sodium chlorite solution is added during and/or after alkalization, but before etherification.</p> |
| 申请公布号 |
EP0212625(B1) |
申请公布日期 |
1989.05.17 |
| 申请号 |
EP19860111481 |
申请日期 |
1986.08.19 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
PELZER, HEINZ, DR. DIPL.-CHEM. |
| 分类号 |
C08B11/02;C08B11/20 |
主分类号 |
C08B11/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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