HOCHTEMPERATUR/HOCHDRUCK-FARBEVERÄNDERUNG VON DIAMANTEN
摘要
The invention provides a method of changing a grey type IIb diamond from grey to blue or enhancing the colour of a type IIb diamond. Selected conditions of high temperature and high pressure are used to produce the colour change.
申请公布号
AT341395(T)
申请公布日期
2006.10.15
申请号
AT20010921695T
申请日期
2001.04.02
申请人
ELEMENT SIX (PROPRIETARY) LIMITED
发明人
BURNS, ROBERT, CHARLES;FISHER, DAVID;SPITS, RAYMOND, ANTHONY
