Invention Grant
- Patent Title: Coloured diamond
- Patent Title (中): 彩钻
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Application No.: US12416216Application Date: 2009-04-01
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Publication No.: US08110041B2Publication Date: 2012-02-07
- Inventor: Daniel James Twitchen , Philip Maurice Martineau , Geoffrey Alan Scarsbrook
- Applicant: Daniel James Twitchen , Philip Maurice Martineau , Geoffrey Alan Scarsbrook
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: GB0220772.8 20020906; GB0304029.2 20030221
- Main IPC: C30B29/02
- IPC: C30B29/02
Abstract:
A method of producing a single crystal CVD diamond of a desired color which includes the steps of providing single crystal CVD diamond which is colored and heat treating the diamond under conditions suitable to produce the desired color. Colors which may be produced are, for example, in the pink-green range.
Public/Granted literature
- US20090291287A1 COLOURED DIAMOND Public/Granted day:2009-11-26
Information query
