FILM FOR THERMAL TRANSFER PRINTING (VERSIONS) Russian patent published in 2012 - IPC B41M5/40 B41M1/26 

FIELD: printing.

SUBSTANCE: invention relates to printing, namely, the means used for thermal applying of alphanumeric symbols or images on the surface of various products. Film for thermal transfer printing is a composite material formed of a set of layers, the first of which is the main-bearing, the second is separating, the third is coloring, and the layers have respective melting points, determined by the technology of film application. At the same time in one of the layers or simultaneously in several layers there is at least a portion of material which is uniformly distributed or distributed to individual sites, and having the ability to function as an optical marker in the range of ultraviolet, infrared, or X-rays radiation.

EFFECT: proposed new film for thermal transfer printing enables to identify both the film and the products on which it is applied, as well as to provide a high degree of protection against counterfeit production.

5 cl, 6 dwg, 3 ex