METHOD FOR PROTECTION OF BANK NOTES, SECURITIES AND DOCUMENTS AGAINST COUNTERFEIT Russian patent published in 1997 - IPC

Abstract RU 2074420 C1

FIELD: securities. SUBSTANCE: method involves addition of stable isotope of osmium 187 or its compound to material of article to be protected. Otherwise label which is made from this material is applied on such article. Addition of stable isotope of osmium-187 to article material or its application on article may be done in chemical compound which provides permanent orientation of magnetic moments of electron orbits of nuclei of osmium-187. EFFECT: simplified method, decreased cost. 6 cl

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RU 2 074 420 C1

Authors

Petrik Viktor Ivanovich

Dates

1997-02-27—Published

1996-06-17—Filed