发明申请
- 专利标题： High pressure/high temperature production of colorless and fancy-colored diamonds
- 专利标题（中）： 高压/高温生产无色和花式钻石
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申请号： US11151393申请日： 2005-06-13
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公开(公告)号： US20050249655A1公开(公告)日： 2005-11-10
- 发明人: Suresh Vagarali , Steven Webb , William Jackson , William Banholzer , Thomas Anthony , George Kaplan
- 申请人： Suresh Vagarali , Steven Webb , William Jackson , William Banholzer , Thomas Anthony , George Kaplan
- 主分类号： B01J3/06
- IPC分类号： B01J3/06 ; C01B31/06
摘要：
A method for changing the color of colored Type I natural diamonds includes placing a Type I natural diamond into a high pressure/high temperature (HP/HT) press at elevated pressure and elevated temperature for a time sufficient to change or improve the color of the diamond.
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