PROTECTIVE ELEMENT, FAKE PROTECTED MATERIAL AND VALUABLE DOCUMENT Russian patent published in 2008 - IPC B41M3/14 B42D15/00 

FIELD: polygraphy.

SUBSTANCE: invention refers to protective element for various products, and also to the material protected from a fake and a valuable document. The protective element for products, such as securities, banknotes, credit cards, documents, certificates and other similar products, contains, at least, one graphic polychromatic unit with derivation of smooth transition from one colour to another, visible with the naked eye on reprints of the colour images made from offset or a letterpress printing. The graphics polychromatic unit has smooth transitions in different directions from one colour to another, coordinated and/or miscoordinated with the printing field of issuing. The offered material protected from a fake, such as the paper, plastic, fabric and other materials for manufacture of banknotes, securities, credit cards, documents, certificates and other similar products contains the protective unit described above. The valuable document protected from a fake, such as a banknote, valuable paper, credit card, certificate and other similar documents is supplied with a protective element and admits possibility of, at least, its visual control. The protective element with the optimised protective properties is created. Thus the invention expands an arsenal of designed means.

EFFECT: development of the element effectively protecting documents from fake.

20 cl, 8 dwg