| 发明名称 |
WOLLWACHS |
| 摘要 |
<p>A process for recovering 18-methyl eicosanoic acid (18-MEA) and/or alpha hydroxy acids (AHAs) from woolwax acids or derivatives thereof comprises the steps of heating the woolwax acids or derivatives thereof to 100 to 230° C. to form estolides and polymeric species; distilling to obtain a distillate (D1) and a residue (R1); and recovering 18-MEA from the distillate and/or recovering AHAs from the residue.</p> |
| 申请公布号 |
DE69806901(D1) |
申请公布日期 |
2002.09.05 |
| 申请号 |
DE1998606901 |
申请日期 |
1998.01.14 |
| 申请人 |
CRODA INTERNATIONAL PLC., GOOLE NORTH |
发明人 |
CAWTHORNE, NEIL;HUMBLE, WILLIAM;PARKER, ANDREW |
| 分类号 |
A61K8/30;A61K8/00;A61K8/36;A61K8/365;A61K8/92;A61Q1/00;A61Q5/00;A61Q5/02;A61Q5/04;A61Q19/00;C07C51/44;C07C51/487;C07C53/126;C07C59/01;C11B3/00;C11B11/00;C11C1/00;C11C1/10;(IPC1-7):C07C59/01;A61K7/06;A61K7/48 |
主分类号 |
A61K8/30 |
| 代理机构 |
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