ELEMENT OF PROTECTION, WHICH COMPRISES LAYER WITH VARIABLE OPTICAL PROPERTIES AND METHOD OF ITS MANUFACTURING Russian patent published in 2010 - IPC B42D15/00 B44F1/12 

Abstract RU 2386540 C2

FIELD: technological processes; flaky items.

SUBSTANCE: present invention relates to element of protection for protection of valuable objects, and also to method of its manufacturing, transfer element, valuable paper and precious object. Element of protection comprises a layer with variable optical properties, which develops various colour images when observed at various angles. On coating section semi-transparent layer of printing dye is arranged over layer with variable optical properties. Besides on section of coating, when observed at previously defined conditions, colour image of layer with variable optical properties is matched with colour image of semi-transparent layer of printing dye.

EFFECT: element of protection provides for high extent of counterfeit protection.

82 cl, 10 dwg

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RU 2 386 540 C2

Authors

Khajm Manfred

Krechmar Fridrikh

Dates

2010-04-20Published

2005-10-06Filed