| 发明名称 |
Method of preparing black dye from a natural product |
| 摘要 |
The present invention relates to a method of preparing dye from natural materials. The dye derived from the method of the present invention may be used in the cosmetic, pharmaceutical and food industries.
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| 申请公布号 |
US6406503(B1) |
申请公布日期 |
2002.06.18 |
| 申请号 |
US20000484623 |
申请日期 |
2000.01.18 |
| 申请人 |
ROYAL CAVIAR, INC. |
发明人 |
KHATCHATRIAN ROBERT G.;KHATCHATRIAN TIGRAN |
| 分类号 |
C09B61/00;(IPC1-7):C09B61/00 |
主分类号 |
C09B61/00 |
| 代理机构 |
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