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Back to the List of the Granted Patents                                                Click here to download AP2531 PDF

(11)Patent No :AP 2531(73) Applicant(s)

(21)Application No :AP/P/2008/004365GALATEA LTD, P O Box 1156, 12000 Rosh Pina,

Israel

 

(22)Filing Date :21.08.2006

(24)Date of Grant &17.12.2012

 

(45)Publication : 

 

(30)Priority Data(72) Inventors

(33) Country(31) Number(32) DateDEVIR Adam, Israel

DE102005039679.8 22.08.2005SHEFFER Dan, Israel

 

SHLEZINGER Haim, Israel

et al

(74) Representative

(84)Designated State

 

BWGALLOWAY & COMPANY

ZIMBABWE

 

(51)InternationalClassificationG01N21/87 (2006.01)

(54)Title 

A method for evaluation of a gemstone 

(57)Abstract 

A method of determining the position of inclusions in a gemstone, comprising: 

 

(a) placing the gemstone within a material having a refractive index within 0.5, optionally 0.2 or 0.1, of that of the gemstone; (b) illuminating the

 

gemstone and imaging the illuminated gemstone; and (c) determining the

 

(56)Documents Cited :JP-60262036 AUS-404 9350 ABE-1013663

 

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