METHOD OF PAPERMAKING WITH PROTECTING ELEMENT, PROTECTING ELEMENT AND METHOD OF ITS PRODUCTION Russian patent published in 2013 - IPC D21H21/44 D21F1/44 B41M3/10 B41F15/10 

FIELD: textiles, paper.

SUBSTANCE: method of papermaking and the method of production of the protecting element are proposed. The protrusions or recesses in the form of a light watermark are formed on a paper, and these protrusions or recesses are sealed. On some parts of the paper surface, containing the recesses, a paint layer with a negative image is applied. The paint layer covers no more than 80% of the recesses surface. The protecting element is a composite image consisting of protrusions or recesses formed on the paper in the form of a light watermark, and a paint layer with a negative image applied on these protrusions or recesses, covering not more than 80% of the recesses surface.

EFFECT: elimination of difficulties connected with printing and processing of printed products, simplification of identification of the watermark while maintaining its protective properties.

5 cl, 5 dwg