SUBSTRATE FOR OBTAINING SECURITY PAPERS OR COUNTERFEIT-PROOF DOCUMENTS Russian patent published in 2024 - IPC B42D25/30 B42D25/351 B42D25/36 

FIELD: methods of protecting documents.

SUBSTANCE: group of inventions relates to substrate (1) for obtaining security papers or counterfeit-protected documents, as well as a document which is protected against forgery. Substrate (1) includes bearing layer (2) and at least one protective element (3), wherein security element (3) is applied to bearing layer (2) and/or is introduced therein, and wherein primer (4) is applied on first side (5) of substrate and/or second side (6) of substrate (1), at least in separate areas. Primer (4) is made diffusely scattering and at least on separate sections is arranged between bearing layer (2) and protective element (3), and/or covers protective element (3) and/or bearing layer (2), at least in separate areas, wherein sections of protective element (3) coated with primer (4) are less distinguishable than areas of protective element (3) not coated with primer (4), and/or areas of bearing layer (2) not coated with primer (4). Protective element (3) is formed by a partial reflecting and image-forming layer.

EFFECT: disclosed is a substrate for obtaining security papers or counterfeit-proof documents.

26 cl, 6 dwg