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 US6634575(B2) 申请公布日期 2003.10.21
申请号 US20010938173 申请日期 2001.08.23
申请人 REGENTS OF THE UNIVERSITY OF MINNESOTA 发明人 KRASUTSKY PAVEL A.;CARLSON ROBERT M.;NESTERENKO VITALIY V.;KOLOMITSYN IGOR M.;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):B02C19/12 主分类号 C07D301/32
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