发明名称 |
HIGH TEMPERATURE/HIGH PRESSURE COLOUR CHANGE OF DIAMOND |
摘要 |
A method is provided for changing the colour of a brown type IIa diamond from brown to pink. The method involves subjecting the diamond to selected conditions of elevated temperature and elevated pressure to produce the colour change. |
申请公布号 |
IL151997(D0) |
申请公布日期 |
2003.04.10 |
申请号 |
IL20010151997 |
申请日期 |
2001.04.02 |
申请人 |
GERSAN ESTABLISHMENT |
发明人 |
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分类号 |
B01J3/06;C01B31/06;C30B29/04;C30B33/00 |
主分类号 |
B01J3/06 |
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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