发明名称 |
Birch bark processing and the isolation of natural products from birch bark |
摘要 |
The invention provides methods for separating outer birch bark from inner birch bark. The invention also provides methods for isolating betulin; lupeol; betulinic acid; 9,10-epoxy-18-hydroxyoctadecanoic acid; 9,10,18-trihydroxyoctadecanoic acid; polyphenolic polymers and fatty acids from birch bark.
|
申请公布号 |
US6815553(B2) |
申请公布日期 |
2004.11.09 |
申请号 |
US20020068272 |
申请日期 |
2002.02.06 |
申请人 |
REGENTS OF THE UNIVERSITY OF MINNESOTA |
发明人 |
KRASUTSKY PAVEL A.;CARLSON ROBERT M.;NESTERENKO VITALIY V.;KOLOMITSYN IGOR V.;EDWARDSON CHRIS F. |
分类号 |
C07D301/32;B01D11/00;C07C29/76;C07C29/86;C07C35/44;C07C51/367;C07C51/43;C07C51/47;C07C59/01;C07C59/105;C07C62/06;C07D303/38;C07J63/00;D21B1/02;(IPC1-7):C07C1/00 |
主分类号 |
C07D301/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|