发明名称 |
Verfahren zur Reinigung von (-)-n-Isopulegol sowie gereinigtes (-)-n-Isopulegol enthaltende Zitrusparfümzusammensetzungen |
摘要 |
<p>For purification, isopulegol mainly composed of (-)-n-isopulegol is deep cooled in a solvent mainly comprising acetone to obtain (-)-n-isopulegol having a chemical purity of not less than 99.7% by weight, and an optical purity of not less than 99.7%e.e. The thus-purified (-)-n-isopulegol is odorless and imparts a feeling of freshness, crispness and coolness to a citrus perfume composition when present in an amount of 3 - 30% by weight.</p> |
申请公布号 |
DE69508859(T2) |
申请公布日期 |
1999.10.07 |
申请号 |
DE1995608859T |
申请日期 |
1995.07.27 |
申请人 |
TAKASAGO INTERNATIONAL CORP., TOKIO/TOKYO |
发明人 |
YAMAMOTO, TAKESHI |
分类号 |
A61K8/00;A61Q13/00;C07C29/78;C07C29/80;C07C35/17;C07C35/18;C11B9/00;C11B9/02;(IPC1-7):C07C29/78;A61K7/46 |
主分类号 |
A61K8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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