| 发明名称 |
Colorant precursors derivable from cells of plants of the genus medicago, process for their preparation and use thereof for the preparation of colorants |
| 摘要 |
Colorant precursors, which are present in the cells of plants belonging to the genus Medicago, such as alfalfa, can react with quinones so as to yield colorants which can be used in dyeing compositions for textiles or hair.
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| 申请公布号 |
US5989876(A) |
申请公布日期 |
1999.11.23 |
| 申请号 |
US19970988425 |
申请日期 |
1997.12.10 |
| 申请人 |
L'OREAL |
发明人 |
BELCOUR-CASTRO, BEATRICE;HUSSLER, GEORGES;BONNET, ANNE |
| 分类号 |
C12P7/66;A61K8/00;A61K8/35;A61K8/73;A61K8/97;A61Q3/02;A61Q5/10;C07D209/58;C07D221/18;C09B5/24;C09B61/00;(IPC1-7):C12N5/00;A61K7/06;A61K7/13;C07D209/12 |
主分类号 |
C12P7/66 |
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代理人 |
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