METHOD OF DYEING OBJECTS OF GOLD-BASED ALLOYS Russian patent published in 1998 - IPC

Abstract RU 2118993 C1

FIELD: dyeing techniques. SUBSTANCE: method involves creating surface layer with color differing from that of original alloy by way of heating alloy in melt of alkali metal compounds at 350-650 C for period of time ranging from 15 s to 3 h. EFFECT: increased strength of coating due to simultaneously proceeding ageing and atomic ordering processes. 1 dwg, 3 tbl

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RU 2 118 993 C1

Authors

Volkov A.Ju.

Ivanova Behlla Aleksandrovna

Sakhanskaja I.N.

Dates

1998-09-20—Published

1997-09-24—Filed