| 发明名称 |
Methods of preparing anion surface-active substances |
| 摘要 |
A method for preparing anion surface-active substances consists in that phenol extract, obtained in petroleum distillation at temperatures within the range from 360 to 500 DEG C, is alkylated with propylene oxide in the presence of a metal halide.
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| 申请公布号 |
US4138425(A) |
申请公布日期 |
1979.02.06 |
| 申请号 |
US19770849982 |
申请日期 |
1977.11.09 |
| 申请人 |
KHODZHAKHANOV, NABI A.;MAKHMUDOV, TAKHIR M.;AKHMEDOV, KARIM S. |
发明人 |
KHODZHAKHANOV, NABI A.;MAKHMUDOV, TAKHIR M.;AKHMEDOV, KARIM S. |
| 分类号 |
B01D19/04;B03D1/02;C07C67/00;C07C301/00;C07C303/28;C07C305/18;C07C305/22;C07C307/02;C11D1/12;(IPC1-7):C07C141/16;C07C141/18;C11D1/22 |
主分类号 |
B01D19/04 |
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